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  • A hiking group enjoys Piegan Pass and Mount Gould (far right), in Glacier National Park, Montana, USA. A scenic walking traverse starts from Siyeh Bend over Piegan Pass to Many Glacier, visiting glorious mountains, valleys and lakes over 13 miles (2260 feet up, 3520 feet down). Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. For licensing options, please inquire.
    07GLA-0425.jpg
  • See Three Fingers Mountain (6854 feet) from Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest. Start hiking from the trailhead on the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-133-p1_Mount-Dickerman.jpg
  • Big Four Mountain, Hall Peak, Mount Pilchuck, and the valley of the South Fork of the Stillaguamish River are seen from Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest. Start hiking from the trailhead on the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-117_Mount-Dickerman.jpg
  • Big Four Mountain, Hall Peak, Mount Pilchuck, and the valley of the South Fork of the Stillaguamish River are seen from Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest. Start hiking from the trailhead on the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-113_Mount-Dickerman.jpg
  • Hall Peak, Mount Pilchuck, fall foliage colors, and the valley of the South Fork of the Stillaguamish River are seen from Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest. Start hiking from the trailhead on the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-126_Mount-Dickerman.jpg
  • Hike through forest beneath pyramidal peaks on the trail to Ptarmigan Lake, in Glacier National Park, Montana, USA. (A side trail departs at Ptarmigan Falls to visit Iceberg Lake, which can be a separate day hike, or long extension.) Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0717.jpg
  • Glacier National Park, Montana, USA: Hike to Ptarmigan Lake beneath the Ptarmigan Wall, then up to Ptarmigan Tunnel 11.2 miles round trip with 2500 feet gain. (A side trail departs at Ptarmigan Falls to visit Iceberg Lake, which can be a separate day hike, or long extension.) Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0682_Ptarmigan-Lake.jpg
  • Hike the Garden Wall Trail from Logan Pass through fields of flowers in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    10GLA-2056-59pan.jpg
  • Snow dusts evergreen trees near Hidden Lake, beneath Bearhat Mountain, a hike from Logan Pass, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0058.jpg
  • Snow dusts evergreen trees near Hidden Lake, beneath Bearhat Mountain, a hike from Logan Pass, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0055.jpg
  • Granite Mountain Lookout (5629 feet elevation) is in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA. Panorama stitched from 2 images.
    0709GRA-19-20pan_Granite-Mt.jpg
  • Hiking in fields of lupine and Indian Paintbrush flowers at Berkeley Park, Mount Rainier National Park, Washington, USA. Lupinus is a genus in the pea family (also called the legume, bean, or pulse family, Latin name Fabaceae or Leguminosae). For licensing options, please inquire.
    0607BER_0038-Berkeley-Park.jpg
  • Hiking in Goat Rocks Wilderness Area, with a view of Mount Adams, Washington. For licensing options, please inquire.
    0607GOA_0861-Mt-Adams.jpg
  • Wallace Falls State Park offers good hiking and camping beneath mossy trees on the rushing Wallace River near the town of Gold Bar, Washington, USA.
    0905WAL-21-water-flow.jpg
  • The Granite Mountain Trail ascends through a misty forest of evergreen trees in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-05-forest-tree-trunks.jpg
  • The Granite Mountain Trail ascends through a misty forest of evergreen trees in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-04-forest-tree-trunks.jpg
  • The Wave, Coyote Buttes, located on the Arizona side of Paria Canyon-Vermilion Cliffs Wilderness Area, which is public land managed by the United States BLM. Over 190 million years, ancient sand dune layers calcified into rock and created "The Wave." Iron oxides bled through this Jurassic-age Navajo sandstone to create the salmon color. Hematite and goethite added yellows, oranges, browns and purples. Over thousands of years, water cut through the ridge above and exposed a channel that was further scoured by windblown sand into the smooth curves that today look like ocean swells and waves. For the permit required to hike to "The Wave", contact the US Bureau of Land Management (BLM), who limits access to protect this fragile geologic formation.
    03AZ-05-21-The-Wave_Coyote-Buttes.jpg
  • From Mount Dickerman, view Del Campo, Morning Star, Sperry, and Vesper Peaks (left to right) and red fall foliage colors in Mount  Baker-Snoqualmie National Forest. Hike Mount Dickerman Trail #710 from the Mountain Loop Highway, east of Verlot Visitor Center, Washington, USA.
    0710DIC-038_Mount-Dickerman.jpg
  • From Mount Dickerman, view Del Campo, Morning Star, Sperry, and Vesper Peaks (left to right) and fall foliage colors in Mount  Baker-Snoqualmie National Forest. Hike Mount Dickerman Trail #710 from the Mountain Loop Highway, east of Verlot Visitor Center, Washington, USA.
    0710DIC-032_Mount-Dickerman.jpg
  • From Mount Dickerman, view Del Campo, Morning Star, Sperry, and Vesper Peaks (left to right), Big Four Mountain, and fall foliage colors in Mount  Baker-Snoqualmie National Forest. Hike Mount Dickerman Trail #710 from the Mountain Loop Highway, east of Verlot Visitor Center, Washington, USA. Panorama stitched from 2 images.
    0710DIC-018-19pan_Mount-Dickerman.jpg
  • The Granite Mountain Trail ascends through a foggy field of beargrass seed stalks (Xerophyllum tenax) in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-14.jpg
  • The Granite Mountain Trail ascends through a misty forest of evergreen trees in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-07-forest-tree-trunks.jpg
  • Hikers walk beneath Sexton Glacier and Going-to-the-Sun Mountain in Glacier National Park, Montana, USA. Hike Siyeh Pass, a gorgeous traverse of 10.3 miles (2300 feet up, 3500 feet down) starting at Siyeh Bend, through Preston Park, and finishing down beautiful Baring Creek Valley. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1074.jpg
  • The Wave, Coyote Buttes, located on the Arizona side of Paria Canyon-Vermilion Cliffs Wilderness Area, which is public land managed by the United States BLM. Over 190 million years, ancient sand dune layers calcified into rock and created "The Wave." Iron oxides bled through this Jurassic-age Navajo sandstone to create the salmon color. Hematite and goethite added yellows, oranges, browns and purples. Over thousands of years, water cut through the ridge above and exposed a channel that was further scoured by windblown sand into the smooth curves that today look like ocean swells and waves. For the permit required to hike to "The Wave", contact the US Bureau of Land Management (BLM), who limits access to protect this fragile geologic formation. Image was published in 2009 for a surgeon's book on the intersection of science and faith. Published in "Light Travel: Photography on the Go" book by Tom Dempsey 2009, 2010.
    03AZ-05-25-The-Wave_Coyote-Buttes.jpg
  • The Granite Mountain Trail ascends through a misty forest of tall trees in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-09-forest-tree-trunks.jpg
  • The Granite Mountain Trail ascends through a misty forest of evergreen trees in Alpine Lakes Wilderness Area. Hike 8 miles with 3800 feet elevation gain, starting from Exit 47 of Interstate 90 near Seattle, Washington, USA.
    0709GRA-06-forest-tree-trunks.jpg
  • Two Medicine Lake, boat launch, Sinopah Mountain (8271 feet or 2521 meters), Glacier National Park, Montana, USA. (Panorama stitched from 4 overlapping images.)
    10GLA-2231-34pan.jpg
  • Sinopah Mountain (8271 feet or 2521 meters) reflects in Pray Lake at sunrise, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1321-p2.jpg
  • In 1930, the Ptarmigan Tunnel was dug 183 feet through the Ptarmigan Wall for hikers from Many Glacier to reach the Belly River Valley in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0699.jpg
  • A white butterfly with black spots (order Lepidoptera) sucks nector from a blue aster flower, in Glacier National Park, Montana, USA. The aster, daisy, or sunflower family (Asteraceae or Compositae) is the largest family of vascular plants.
    07GLA-0673.jpg
  • Billion-year-old orange and blue sedimentary rocks erode in complex patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0194.jpg
  • Rising Wolf Mountain (9513 feet/2899 meters) and Sinopah Mountain (left) reflect in Pray Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 4 overlapping images.)
    10GLA-2462-65pan_Pray-Lake.jpg
  • The Historic Red Bus of Glacier National Park (in Montana, USA) was built on 1930s chassis by the White Motor Company, then rebuilt in 2001 to run on propane. A fleet of these vintage motor coaches provide tours and shuttle services in the park. I highly recommend using public transportation, as park traffic can be very heavy over Going to the Sun Road. A "Jammer" (driver) drives the "Red" (bus). Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Published by National Geographic Children's Books 2011: "Ultimate Weird But True."
    07GLA-1464.jpg
  • A hiker crosses a swing bridge over Paradise Creek, on the trail to Cobalt Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1451.jpg
  • Orange and green leaf pattern in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-1439.jpg
  • Orange rock and yellow lichen form a pattern in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1430.jpg
  • Red and green rocks shine in Cobalt Creek, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1367.jpg
  • Sinopah Mountain (8271 feet or 2521 meters) reflects in Pray Lake at sunrise in Glacier National Park, Montana, USA. Published in "Light Travel: Photography on the Go" book by Tom Dempsey 2009, 2010. (Panorama stitched from 4 overlapping images.) Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1293-96pan-Two-Medicine-Lake-s...jpg
  • Orange hairy caterpillar in Montana, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1228.jpg
  • A Pumpelly Pillar rises above the trail to No Name Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1203.jpg
  • Baring Creek tumbles and falls over red sedimentary rocks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1099_Baring-Creek.jpg
  • McDonald Creek flows against stone in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-0758_McDonald-Creek.jpg
  • See Mount Wilbur (9321 feet or 2841 meters elevation) along the trail to Iceberg Lake and Ptarmigan Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0735.jpg
  • See Elizabeth Lake and Belly River Valley from Ptarmigan Tunnel in Glacier National Park, Montana, USA. In 1930, the Ptarmigan Tunnel was dug 183 feet through the Ptarmigan Wall for hikers from Many Glacier to reach the Belly River Valley. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 2 overlapping images.)
    07GLA-0690-691pan_Belly-River-Valley...jpg
  • Sunrise light hits Going-to-the-Sun Mountain and Little Chief Mountain in the Lewis Range above Saint Mary Lake (4484 feet / 1367 meters elevation) in Glacier National Park, Montana, USA. The Going-to-the-Sun Road runs along the north shore. Here the great plains end and the Rocky Mountains abruptly rise 5000 feet above the lake. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 2 overlapping images.)
    07GLA-0597-598pan_Saint-Mary-Lake.jpg
  • From Piegan Pass, hikers descend Cataract Creek Valley beneath the pinnacle of Mount Gould in the Lewis Range, in Glacier National Park, Montana, USA. A scenic walking traverse starts from Siyeh Bend over Piegan Pass to Many Glacier, visiting glorious mountains, valleys and lakes over 13 miles (2260 feet up, 3520 feet down). Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0469.jpg
  • From Piegan Pass, hikers descend Cataract Creek Valley beneath the pinnacle of Mount Gould in the Lewis Range, in Glacier National Park, Montana, USA. A scenic walking traverse starts from Siyeh Bend over Piegan Pass to Many Glacier, visiting glorious mountains, valleys and lakes over 13 miles (2260 feet up, 3520 feet down). Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0460_Mount-Gould.jpg
  • Hikers approach Piegan Pass in the Lewis Range in Glacier National Park, Montana, USA. A scenic walking traverse starts from Siyeh Bend over Piegan Pass to Many Glacier, visiting glorious mountains, valleys and lakes over 13 miles (2260 feet up, 3520 feet down). Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0404_Piegan-Pass.jpg
  • The peaks of the Livingston Range rise above bleached tree roots on the shore of Lake McDonald at sunrise in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0262_Lake-McDonald.jpg
  • The peaks of the Livingston Range rise above Lake McDonald at sunrise in Glacier National Park, Montana, USA. Waves caress red shoreline rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0242_Lake-McDonald.jpg
  • The Going-to-the-Sun Road climbs the Garden Wall in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-0229.jpg
  • Billion-year-old sedimentary rock erodes into blue patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0190.jpg
  • Billion-year-old orange sedimentary rocks erode in complex patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0187.jpg
  • Billion-year-old sedimentary rock erodes into orange patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0169.jpg
  • Billion-year-old sedimentary rock erodes into orange patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0168.jpg
  • Billion-year-old rock breaks into blue, orange, and purple patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0163.jpg
  • Billion-year-old rock breaks into blue, orange, and red patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0129.jpg
  • Billion-year-old rock breaks into blue, orange, and red patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0127.jpg
  • Billion-year-old rock breaks into blue, orange, and red patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0123.jpg
  • Billion-year-old sedimentary rock erodes into yellow and purple patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0098.jpg
  • Billion-year-old rock breaks into blue, orange, and purple patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0097.jpg
  • Billion-year-old rock breaks into blue, orange, and purple patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0095.jpg
  • Billion-year-old rock breaks into a jagged pattern in Glacier National Park, Montana. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0086.jpg
  • Billion-year-old rock breaks into blue, orange, and red patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0080.jpg
  • Billion-year-old rock breaks into a jagged pattern in Glacier National Park, Montana. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0077.jpg
  • Billion-year-old rock breaks into blue, orange, and purple patterns in Glacier National Park, Montana, USA. Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-0071.jpg
  • Fossilized sand dunes, Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness Area, Arizona For licensing options, please inquire.
    03AZ-05-08-The-Wave_Coyote-Buttes.jpg
  • From atop Mount Dickerman, see South Fork Stillaguamish River Valley, fall foliage colors, Hall Peak (left) and Mount Pilchuck. Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest starts from the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-153_Mount-Dickerman.jpg
  • From atop Mount Dickerman, see South Fork Stillaguamish River Valley, fall foliage colors, Hall Peak (left) and Mount Pilchuck. Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest starts from the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-150_Mount-Dickerman.jpg
  • From atop Mount Dickerman, see South Fork Stillaguamish River Valley, Mount Pilchuck, and Three Fingers Mountain (6854 feet). Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest starts from the Mountain Loop Highway east of Verlot, Washington, USA. Panorama stitched from 3 images.
    0710DIC-105-107pan_Stillaguamish-Val...jpg
  • From atop Mount Dickerman, see South Fork Stillaguamish River Valley, Mount Pilchuck, and Three Fingers Mountain (6854 feet). Mount Dickerman Trail #710 in Mount Baker-Snoqualmie National Forest starts from the Mountain Loop Highway east of Verlot, Washington, USA. Panorama stitched from 3 images.
    0710DIC-100-102pan_Stillaguamish-Val...jpg
  • View Sloan Peak from Mount Dickerman (Trail #710) in Mount  Baker-Snoqualmie National Forest, accessible from the Mountain Loop Highway east of Verlot, Washington, USA.
    0710DIC-064_Sloan-Peak.jpg
  • From atop Mount Dickerman, hikers view many Central Cascades peaks including Mount Pugh, Glacier Peak and Sloan Peak in Mount  Baker-Snoqualmie National Forest (Trail #710), accessible from the Mountain Loop Highway east of Verlot, Washington, USA. Panorama stitched from 3 images.
    0710DIC-051-53pan_Mount-Dickerman.jpg
  • Blue ridges roll south of the Railroad Grade trail on Mount Baker. Hikers can explore great alpine scenery in Mount Baker Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA. Panorama stitched from 6 images.
    0908BAK-151-p156pan.jpg
  • Glacier Peak rises far south of the Railroad Grade trail on Mount Baker. Hikers and climbers can explore great alpine scenery in Mount Baker Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA
    0908BAK-131.jpg
  • Blue ridges roll south of the Railroad Grade trail on Mount Baker. Hikers can explore great alpine scenery in Mount Baker Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA. Panorama stitched from 2 images.
    0908BAK-065-66pan.jpg
  • Blue ridges roll south of the Railroad Grade trail on Mount Baker. Hikers can explore great alpine scenery in Mount Baker Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA
    0908BAK-059.jpg
  • Twin Sisters Mountain, Mount Baker Wilderness, Mount Baker-Snoqualmie National Forest, Washington, USA
    0908BAK-042.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA.
    0908BAK-035.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker. Mount Baker National Recreation Area, Washington, USA.
    0908BAK-033.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA. Panorama stitched from 4 images.
    0908BAK-022-25pan_Mt-Baker.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker. Mount Baker National Recreation Area, Washington, USA.
    0908BAK-013.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA.
    0908BAK-012.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA.
    0908BAK-011.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA.
    0908BAK-009.jpg
  • The Railroad Grade Trail follows a lateral moraine of the Easton Glacier which flows from the south side of Mount Baker (10,781 feet). Mount Baker National Recreation Area, Washington, USA.
    0908BAK-008.jpg
  • California, USA: Backpackers walk with poles beneath Virginia Peak, Yosemite National Park. Published in Sierra Magazine, Sierra Club Outings March/April 2003. We backpacked over several days from Virginia Lakes Trailhead to Summit Lake, then out to Green Creek Trailhead via Hoover Wilderness.
    00CAL-02-32_Virginia-Peak_hikers_Yos...jpg
  • Rising Wolf Mountain (9513 feet/2899 meters) and Sinopah Mountain (left) reflect in Pray Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 10 overlapping images.)
    10GLA-2501-10pan_Pray-Lake.jpg
  • Rising Wolf Mountain (9513 feet/2899 meters) and Sinopah Mountain (left) reflect in Pray Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 11 overlapping images.)
    10GLA-2474-2484pan_Pray-Lake_Glacier...jpg
  • Dawn light illuminates Pray Lake and Sinopah Mountain (8271 feet or 2521 meters) in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 3 images.)
    10GLA-2224-226pan.jpg
  • A nearby forest fire adds a smoky haze over Two Medicine Lake and Sinopah Mountain (8271 feet or 2521 meters), in Montana, in Glacier National Park, part of Waterton-Glacier International Peace Park.
    07GLA-1458.jpg
  • Orange jagged leaf pattern in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976).
    07GLA-1438.jpg
  • Orange rock and yellow lichen form a pattern in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1405.jpg
  • Sinopah Mountain (8271 feet or 2521 meters) reflects in Pray Lake at sunrise, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists. (Panorama stitched from 4 overlapping images.)
    07GLA-1331-34_Two-Medicine-Lake.jpg
  • Sinopah Mountain, hikers, and Two Medicine Lake, in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1199.jpg
  • Lower Two Medicine Lake reflects peaks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks. Glaciers carved spectacular U-shaped valleys and pyramidal peaks as recently as the Last Glacial Maximum (the last "Ice Age" 25,000 to 13,000 years ago). Of the 150 glaciers existing in the mid 1800s, only 25 active glaciers remain in the park as of 2010, and all may disappear by 2020, say climate scientists.
    07GLA-1195.jpg
  • Baring Creek tumbles and falls over red sedimentary rocks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1128_Baring-Creek.jpg
  • Baring Creek tumbles and falls over red sedimentary rocks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1103_Baring-Creek.jpg
  • Baring Creek tumbles and falls over red sedimentary rocks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1102.jpg
  • Baring Creek tumbles and falls over red sedimentary rocks in Glacier National Park, Montana, USA. Since 1932, Canada and USA have shared Waterton-Glacier International Peace Park, which UNESCO declared a World Heritage Site (1995) containing two Biosphere Reserves (1976). Rocks in the park are primarily sedimentary layers deposited in shallow seas over 1.6 billion to 800 million years ago. During the tectonic formation of the Rocky Mountains 170 million years ago, the Lewis Overthrust displaced these old rocks over newer Cretaceous age rocks.
    07GLA-1091_Baring-Creek.jpg
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