Power of water. Karijini, Western Australia
Near-vertical headwalls, Zion, Utah
Rock glacier, Disko Island, Greenland
Well prepared layers of sandstone, Zion, Utah
A window through time, Canyonland, Utah
Weathered rocks forming two windows, Arches, Utah
Badlands dissected by ephemeral streams. Death Valley, California
Sharp-crested dune, White Sands, New Mexico
Rock outcrop, Lander, Nevada
Erosion of well-consolidated breccia, Pinnacle, California