Sandstone pillars, Peek-a-Boo Trail, Needles District of Canyonlands National Park, Utah, USA.
Sandstone pillars rise above Peek-a-Boo Trail, in Needles District of Canyonlands National Park, Utah, USA. The Permian rocks of the Needles District formed where red alluvial fans from the east interwove with white dunes from the west, making spires striped red and white.