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  • Maya rattlesnakes were hewn from limestone at Chichen Itza, MEXICO. Published in 2002-2003 by design agency CODA Creative Inc.
    83YUC-05-13_Chichen-Itza-stone-rattl...jpg
  • Baja California, MEXICO: The boojum or cirio (Fouquieria columnaris, synonym Idria columnaris) is a bizarre-looking tree in the family Fouquieriaceae, whose other members include the Ocotillos. It is nearly endemic to the Baja California peninsula, with only a small population in the Sierra Bacha of Sonora. A fifty-year-old specimen might be a foot thick at its base, and less than five feet tall. It's one of the slowest growing plants in the world, at the rate of a foot every ten years, which means a mature fifty-footer may be more than 500 years old. An Arizona botanist, in 1922, applied the name boojum, after the imaginary "boojum" that inhabited "distant shores" in Lewis Carrol's poem Hunting of the Snark. The early Spaniards called it cirio, or candle, probably because of its resemblance to the handmade tapers that decorated the altars in the Jesuit mission churches. The flowers bloom in summer and autumn; they occur in short racemes, and are creamy yellow with a honey scent. Published in Americas Magazine, "Bizarre Blooms of Baja" article, April 2006 (official magazine of the Organization of American States, OAS).
    89BAJ-X1-31mod2-Boojum-trees.jpg
  • One of the two types of "elephant tree" (maybe Bursera microphylla) in Baja California, MEXICO. Published in Americas Magazine, "Bizarre Blooms of Baja" article, April 2006 (official magazine of the Organization of American States, OAS).
    89BAJ-X1-06-Elephant-tree-yellow-lea...jpg
  • A gray whale touching humans. San Ignacio Lagoon, Baja California, Mexico. Published in "Light Travel: Photography on the Go" book by Tom Dempsey 2009, 2010.
    89BAJ-05-X1-16_Gray-whale_people_boa...jpg
  • A family dune boards at White Sands National Monument, near Alamogordo, New Mexico, USA. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritag
    1404NM-6073_White-Sands-NM.jpg
  • People dune board at White Sands National Monument, near Alamogordo, New Mexico, USA. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage S
    1404NM-6033_White-Sands-NM.jpg
  • Ancestral Puebloan people chipped a macaw bird figure into the desert varnish (oxidized surface) of 200,000-year-old volcanic basalt rock, seen today on the Macaw Trail in Boca Negra Canyon, in Petroglyph National Monument, Albuquerque, New Mexico, USA.  Archeologists describe the image as made in the Rio Grande style, which developed around AD 1300. Petroglyph National Monument lies 1200 miles (via modern road) northwest of the natural range of the Scarlet Macaw in the tropical lowlands of eastern Mexico. Macaw remains unearthed at many sites (such as Wupatki, Arizona) in southwest USA indicate a Pre-Columbian trade network that connected to southeastern Mexico.
    1403NM-0755_macaw_Petroglyph-NM.jpg
  • Dunes can bury plants in White Sands National Monument, near Alamogordo, New Mexico, USA. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Herita
    1404NM-6093_White-Sands-NM.jpg
  • Wet gypsum sand cakes together. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008.
    1404NM-6038_White-Sands-NM.jpg
  • Cactus fruit, Kasha-Katuwe Tent Rocks National Monument, Santa Fe, New Mexico, USA. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403SWC-208_Kasha-Katuwe_Tent-Rocks-...jpg
  • Puebloan stone wall pattern, Chaco Culture National Historical Park, New Mexico, USA. Chaco Canyon hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403SWC-144_Chaco-Culture-NHP.jpg
  • Cracked mud pattern with pebbles, Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403SWC-132_Bisti_De-Na-Zin-Wilderne...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0616_Pueblo-Bonito_Chaco-Cult...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0592_Pueblo-Bonito_Chaco-Cult...jpg
  • Support timbers decay in stone wall at Pueblo Bonito, Chaco Culture National Historical Park, New Mexico, USA. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved in Chaco Canyon. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0557_Pueblo-Bonito_Chaco-Cult...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 2 overlapping photos.
    1403NM-0432-433pan_Pueblo-Bonito_Cha...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 4 overlapping photos.
    1403NM-0373-376pan_Pueblo-Bonito_Cha...jpg
  • Filled stone doorway. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0289_Pueblo-Bonito_Chaco-Cult...jpg
  • Puebloan stone window. Chetro Ketl was a massive stone building (Puebloan Great House) occupied from 950-1250s AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. This park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0197_Chetro-Ketl_Chaco-Cultur...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0016_Bisti_De-Na-Zin-Wilderne...jpg
  • Bisti/De-Na-Zin Wilderness, eroded sediment layers, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0102_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0035_Bisti_De-Na-Zin-Wilderne...jpg
  • Swirling cirrus clouds over Very Large Array (VLA) radio astronomy telescope, near Socorro, New Mexico, USA. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico, USA. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life.
    1404NM-6133-p1_Very-Large-Array-VLA.jpg
  • Swirling cirrus clouds over Very Large Array (VLA) radio astronomy telescope, near Socorro, New Mexico, USA. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico, USA. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life.
    1404NM-6121_Very-Large-Array-VLA.jpg
  • Swirling cirrus clouds over Very Large Array (VLA) radio astronomy telescope, near Socorro, New Mexico, USA. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico, USA. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life.
    1404NM-6128_Very-Large-Array-VLA.jpg
  • "Hein's Trein" is the nickname for the locomotive used to lift heavy dishes of the Very Large Array (VLA) radio astronomy telescope, near Socorro, New Mexico, USA. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life.
    1404NM-6151_Very-Large-Array-VLA.jpg
  • Swirling cirrus clouds over Very Large Array (VLA) radio astronomy telescope, near Socorro, New Mexico, USA. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico, USA. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life.
    1404NM-6156_Very-Large-Array-VLA.jpg
  • White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008. This panorama was stitched from 4 overlapping photos.
    1404NM-6057-60pan_White-Sands-NM.jpg
  • White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008. This panorama was stitched from 6 overlapping photos.
    1404NM-6063-68pan_White-Sands-NM.jpg
  • White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008.
    1404NM-6048_White-Sands-NM.jpg
  • Dune pattern. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008.
    1404NM-6028_White-Sands-NM.jpg
  • The Soaptree yucca (Yucca elata) can grow up to a foot a year to keep above shifting dunes. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heri
    1404NM-6025_White-Sands-NM.jpg
  • White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008.
    1404NM-6003_White-Sands-NM.jpg
  • White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008. This panorama was stitched from 3 overlapping photos.
    1404NM-6013-15pan_White-Sands-NM.jpg
  • The Soaptree yucca (Yucca elata) can grow up to a foot a year to keep above shifting dunes. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heri
    1404NM-6099_White-Sands-NM.jpg
  • The Soaptree yucca (Yucca elata) can grow up to a foot a year to keep above shifting dunes. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heri
    1404NM-6075_White-Sands-NM.jpg
  • The Soaptree yucca (Yucca elata) can grow up to a foot a year to keep above shifting dunes. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heri
    1404NM-6079_White-Sands-NM.jpg
  • The Soaptree yucca (Yucca elata) can grow up to a foot a year to keep above shifting dunes. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heri
    1404NM-6083_White-Sands-NM.jpg
  • Wet gypsum sand cakes together. White Sands National Monument preserves one of the world's great natural wonders - the glistening white sands of New Mexico. Here in the northern Chihuahuan Desert rises the largest gypsum dune field in the world. Visit the park 16 miles southwest of Alamogordo, NM, USA. White Sands National Monument preserves 40% of the gpysum dune field, the remainder of which is on White Sands Missile Range and military land closed to the public. Geology: The park’s gypsum was originally deposited at the bottom of a shallow sea that covered this area 250 million years ago. Eventually turned into stone, these gypsum-bearing marine deposits were uplifted into a giant dome 70 million years ago when the Rocky Mountains were formed. Beginning 10 million years ago, the center of this dome began to collapse and create the Tularosa Basin. The remaining sides of the original dome now form the San Andres and Sacramento mountain ranges that ring the basin. The common mineral gypsum is rarely found in the form of sand because rain dissolves it in runoff which usually drains to the sea; but mountains enclose the Tularosa Basin and trap surface runoff. The pure gypsum (hydrous calcium sulfate) comes from ephemeral Lake Lucero (a playa), which is the remnant of ice-age Lake Otero (now mostly an alkali flat) in the western side of the park. Evaporating water (up to 80 inches per year) leaves behind selenite crystals which reach lengths of up to three feet (1 m)! Weathering breaks the selenite crystals into sand-size gypsum grains that are carried away by prevailing winds from the southwest, forming white dunes. Several types of small animals have evolved white coloration that camouflages them in the dazzling white desert; and various plants have specially adapted to shifting sands. Based on an application by two US Senators from New Mexico, UNESCO honored the monument on the Tentative List of World Heritage Sites in 2008.
    1403SWC-303_White-Sands-NM.jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0644_Pueblo-Bonito_Chaco-Cult...jpg
  • A stone wall window opening creates an almost S-shaped shadow. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0638_Pueblo-Bonito_Chaco-Cult...jpg
  • Stone doorway. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0636_Pueblo-Bonito_Chaco-Cult...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0613_Pueblo-Bonito_Chaco-Cult...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0570_Pueblo-Bonito_Chaco-Cult...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0556_Pueblo-Bonito_Chaco-Cult...jpg
  • Support timbers decay in stone wall at Pueblo Bonito, Chaco Culture National Historical Park, New Mexico, USA. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved in Chaco Canyon. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0554_Pueblo-Bonito_Chaco-Cult...jpg
  • The orange glow of sunset shines on Pueblo Del Arroyo Great House (a monumental public building), which was occupied from AD 1075-1250s, in what is now Chaco Culture National Historical Park, New Mexico, USA. Chaco Culture National Historical Park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 7 overlapping photos.
    1403NM-0482-489pan_Pueblo-Del-Arroyo...jpg
  • Pueblo Del Arroyo Great House (a monumental public building) was occupied from AD 1075-1250s, in what is now Chaco Culture National Historical Park, New Mexico, USA. Chaco Culture National Historical Park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 5 overlapping photos.
    1403NM-0462-466pan_Pueblo-Del-Arroyo...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 2 overlapping photos.
    1403NM-0412-413pan_Pueblo-Bonito_Cha...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 3 overlapping photos.
    1403NM-0392-394pan_Pueblo-Bonito_Cha...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0334_Pueblo-Bonito_Chaco-Cult...jpg
  • Inside an ancient passage. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0315_Pueblo-Bonito_Chaco-Cult...jpg
  • Walk through ancient doorways to mysterious rooms in Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0311_Pueblo-Bonito_Chaco-Cult...jpg
  • Walk inside Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 4 overlapping photos.
    1403NM-0304-307pan_Pueblo-Bonito_Cha...jpg
  • Four doorways connect rooms at Pueblo Bonito, 828-1126 AD Great House, Chaco Culture National Historical Park, New Mexico, USA. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, still standing in Chaco Canyon. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. Two images were combined (stitched) to increase depth of focus from near to far doorways.
    1403NM-0294-295stitch_Pueblo-Bonito_...jpg
  • T-shaped stone wall opening. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0279_Pueblo-Bonito_Chaco-Cult...jpg
  • A baby girl walks through an ancient doorway at Pueblo Bonito. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0284_Pueblo-Bonito_Chaco-Cult...jpg
  • Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0240_Pueblo-Bonito_Chaco-Cult...jpg
  • Modern supports hold up an ancient wall. Pueblo Bonito is a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0231_Pueblo-Bonito_Chaco-Cult...jpg
  • Ancient Puebloan stone wall. Chetro Ketl was a massive stone building (Puebloan Great House) occupied from 950-1250s AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. This park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0191Chetro-Ketl_Chaco-Culture...jpg
  • Kivas for Puebloan religious rituals. Chetro Ketl was a massive stone building (Puebloan Great House) occupied from 950-1250s AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. This park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 7 overlapping photos.
    1403NM-0169-175pan_Chetro-Ketl_Chaco...jpg
  • Large stone kiva for Puebloan religious rituals. Chetro Ketl was a massive stone building (Puebloan Great House) occupied from 950-1250s AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. This park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 7 overlapping photos.
    1403NM-0153-159pan_Chetro-Ketl_Chaco...jpg
  • Large stone kiva for Puebloan religious rituals. Chetro Ketl was a massive stone building (Puebloan Great House) occupied from 950-1250s AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. This park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 8 overlapping photos.
    1403NM-0145-52pan_Chetro-Ketl_Chaco-...jpg
  • Petroglyphs above Una Vida, in Chaco Culture National Historical Park, New Mexico, USA. Una Vida is a Chacoan great house (monumental public building) with 100 rooms and kivas plus a great kiva enclosed in a plaza, built starting around AD 850 for over 250 years. Chaco Culture National Historical Park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0724_petroglyphs_Chaco-Cultur...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0027_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0024_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0021_Bisti_De-Na-Zin-Wilderne...jpg
  • Snail-shaped rock, Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0005_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0096_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0082_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0092_Bisti_De-Na-Zin-Wilderne...jpg
  • Mushroom rock, in Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0076_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0072_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM). This panorama was stitched from 3 overlapping photos.
    1403NM-0064-66pan_Bisti_De-Na-Zin-Wi...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM). This panorama was stitched from 6 overlapping photos.
    1403NM-0050-55pan_Bisti_De-Na-Zin-Wi...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0030_Bisti_De-Na-Zin-Wilderne...jpg
  • Eroded badlands of Bisti/De-Na-Zin Wilderness, south of Farmington, in San Juan County, New Mexico, USA. This fantasy world of strange rock formations is made of interbedded sandstone, shale, mudstone, coal, and silt. These rock layers have weathered into eerie hoodoos (pinnacles, spires, and cap rocks). This was once a riverine delta west of an ancient sea, the Western Interior Seaway, which covered much of New Mexico 70 million years ago. Swamps built up organic material which became beds of lignite. Water disappeared and left behind a 1400-foot (430 m) layer of jumbled sandstone, mudstone, shale, and coal. The ancient sedimentary deposits were uplifted with the rest of the Colorado Plateau, starting about 25 million years ago. Waters of the last ice age eroded the hoodoos now visible. The high desert widerness of Bisti is managed by the US Bureau of Land Management (BLM).
    1403NM-0028_Bisti_De-Na-Zin-Wilderne...jpg
  • People explore the stone wall ruins of Kin Kletso Great House, in Chaco Culture National Historical Park, New Mexico, USA. Kin Kletso Great House was built around 1120-1130 AD (based on tree-ring dates) with 65 rooms and five kivas, but was abandoned by the 1150s AD. Chaco Culture National Historical Park hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site. Chaco Canyon is in remote northwestern New Mexico, between Albuquerque and Farmington, USA. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0444_Kin-Kletso_Chaco-Culture...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130. This panorama was stitched from 3 overlapping photos.
    1403NM-0405-407pan_Pueblo-Bonito_Cha...jpg
  • The fun Pueblo Alto Trail overlooks Pueblo Bonito, a monumental public building (Puebloan Great House) occupied from around 828 to 1126 AD, now preserved at Chaco Culture National Historical Park, New Mexico, USA. The huge D-shaped complex of Pueblo Bonito enclosed two plazas with dozens of ceremonial kivas, plus 600 rooms towering 4 and 5 stories above the valley floor. The functions of this building included ceremony, administration, trading, storage, hospitality, communications, astronomy, and burial, but few living quarters. Chaco Culture NHP hosts the densest and most exceptional concentration of pueblos in the American Southwest and is a UNESCO World Heritage Site, located in remote northwestern New Mexico, between Albuquerque and Farmington. From 850 AD to 1250 AD, Chaco Canyon advanced then declined as a major center of culture for the Ancient Pueblo Peoples. Chacoans quarried sandstone blocks and hauled timber from great distances, assembling fifteen major complexes that remained the largest buildings in North America until the 1800s. Climate change may have led to its abandonment, beginning with a 50-year drought starting in 1130.
    1403NM-0373-p1_Pueblo-Bonito_Chaco-C...jpg
  • Baja California, MEXICO: The cardón cactus (Pachycereus pringlei) is the world's largest cactus. American botanist, Cyrus Pringle, named the species in Latin: ''pachy'' which means thick and ''cereus'' meaning waxy. ''Cardo'' means ''thistle'' in Spanish. The cardón is nearly endemic to the deserts of the Baja California peninsula. Some of the largest cardones have been measured at nearly 21 meters (70 feet) high and weigh up to 25 tons. These very slow growing plants are also extremely long-lived, and many specimens live well over 300 years. Published in Americas Magazine, "Bizarre Blooms of Baja" article, April 2006 (official magazine of the Organization of American States, OAS)
    89BAJ-04-05-Cardon-Cacti-in-fog.jpg
  • At Palenque, Mexico, the Temple of the Inscriptions is the burial shrine of Maya leader Pacal the Great (615-683 AD). The name "Pacal" means "shield" in the Maya language. Published in Wilderness Travel 1987 Catalog of Adventures.
    83YUC-06-33_Palenque-Temple-Pyramid.jpg
  • Large columns, in Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5178_Carlsbad-Caverns-NP.jpg
  • Large column, in Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive. This panorama was stitched from 6 overlapping photos.
    1404NM-5169-71pan_Carlsbad-Caverns-N...jpg
  • Large column, in Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5147_Carlsbad-Caverns-NP.jpg
  • Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5139_Carlsbad-Caverns-NP.jpg
  • Large columns, in Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5110_Carlsbad-Caverns-NP.jpg
  • Pathway through stalactites, Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive. This panorama was stitched from 2 overlapping photos.
    1404NM-5069-70pan_Carlsbad-Caverns-N...jpg
  • Abstract flowstone pattern, Carlsbad Caverns National Park, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5031_Carlsbad-Caverns-NP.jpg
  • Natural entrance of Carlsbad Caverns, in the Guadalupe Mountains, Chihuahuan Desert, southeast New Mexico, USA. Hike in on your own via the natural entrance or take an elevator from the Carlsbad Caverns National Park visitor center. Geology: 4 to 6 million years ago, an acid bath in the water table slowly dissolved the underground rooms of Carlsbad Caverns, which then drained along with the uplift of the Guadalupe Mountains. The Guadalupe Mountains are the uplifted part of the ancient Capitan Reef which thrived along the edge of an inland sea more than 250 million years ago during Permian time. Carlsbad Caverns National Park protects part of the Capitan Reef, one of the best-preserved, exposed Permian-age fossil reefs in the world. The park's magnificent speleothems (cave formations) are due to rain and snowmelt soaking through soil and limestone rock, dripping into a cave, evaporating and depositing dissolved minerals. Drip-by-drip, over the past million years or so, Carlsbad Cavern has slowly been decorating itself. The slowest drips tend to stay on the ceiling (as stalactites, soda straws, draperies, ribbons or curtains). The faster drips are more likely to decorate the floor (with stalagmites, totem poles, flowstone, rim stone dams, lily pads, shelves, and cave pools). Today, due to the dry desert climate, few speleothems inside any Guadalupe Mountains caves are wet enough to actively grow. Most speleothems inside Carlsbad Cavern would have been much more active during the last ice age-up to around 10,000 years ago, but are now mostly inactive.
    1404NM-5004_Carlsbad-Caverns-NP.jpg
  • Swirling cirrus cloud panorama. The Karl G. Jansky Very Large Array (VLA) is one of the world's premier astronomical radio observatories. Visit the VLA on the Plains of San Agustin fifty miles west of Socorro, between the towns of Magdalena and Datil, in New Mexico, USA. US Route 60 passes through the scientific complex, which welcomes visitors. The VLA is a set of 27 movable radio antennas on tracks in a Y-shape. Each antenna is 25 meters (82 feet) in diameter. The data from the antennas is combined electronically to give the resolution of an antenna 36km (22 miles) across, with the sensitivity of a dish 130 meters (422 feet) in diameter. After being built 1973-1980, the VLA’s electronics and software were significantly upgraded from 2001-2012 by at least an order of magnitude in both sensitivity and radio-frequency coverage. The VLA is a component of the National Radio Astronomy Observatory (NRAO). Astronomers using the VLA have made key observations of black holes and protoplanetary disks around young stars, discovered magnetic filaments and traced complex gas motions at the Milky Way's center, probed the Universe's cosmological parameters, and provided new knowledge about interstellar radio emission. The VLA was prominently featured in the 1997 film "Contact," a classic science fiction drama film adapted from the Carl Sagan novel, with Jodie Foster portraying the film's protagonist, Dr. Eleanor "Ellie" Arroway, a SETI scientist who finds strong evidence of extraterrestrial life. This panorama was stitched from 3 overlapping photos.
    1403SWC-328-330pan_Very-Large-Array-...jpg
  • Slot Canyon Trail. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan. This panorama was stitched from 7 overlapping photos.
    1403NM-1174-80pan_Kasha-Katuwe_Tent-...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403NM-1090_Kasha-Katuwe_Tent-Rocks-...jpg
  • Tall tree in Slot Canyon. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan. This panorama was stitched from 2 overlapping photos.
    1403NM-1079-80pan_Kasha-Katuwe_Tent-...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403NM-0996_Kasha-Katuwe_Tent-Rocks-...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403NM-0994_Kasha-Katuwe_Tent-Rocks-...jpg
  • See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan. This panorama was stitched from 2 overlapping photos.
    1403NM-0946-47pan_Kasha-Katuwe_Tent-...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403NM-0925_Kasha-Katuwe_Tent-Rocks-...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan. This panorama was stitched from 5 overlapping photos.
    1403NM-0913-917pan_Kasha-Katuwe_Tent...jpg
  • Hoodoos. See fantastic hoodoos and a great slot canyon in Kasha-Katuwe Tent Rocks National Monument, in New Mexico, USA. Hike the easy Cave Loop Trail plus Slot Canyon Trail side trip (3 miles round trip), 40 miles southwest of Santa Fe, on the Pajarito Plateau. Distinctive cone-shaped caprocks protect soft pumice and tuff beneath. Geologically, the Tent Rocks are made of Peralta Tuff, formed from volcanic ash, pumice, and pyroclastic debris deposited over 1000 feet thick from the Jemez Volcanic Field, 7 million years ago. Kasha-Katuwe means "white cliffs" in the Pueblo language Keresan.
    1403NM-0919_Kasha-Katuwe_Tent-Rocks-...jpg
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