Rock formations in a canyon, Arches National Park, Utah, USA

Rock formations in a canyon, Courthouse Towers, Arches National Park, Utah, USA

Rock formations in a canyon, Salt Valley, Arches National Park, Utah, USA

Rock formations in a canyon, Fiery Furnace, Arches National Park, Utah, USA

Rock formations in a canyon, Arches National Park, Utah, USA

Rock formations in a canyon, Petrified Dunes, La Sal Mountains, Arches National Park, Utah, USA

Rough mule's ears (Wyethia scabra) wildflowers with rock formations in the background, Courthouse Towers, Arches National Park, Utah, USA

Natural arch in a canyon, Arches National Park, Utah, USA

Rock formations in a canyon, Green River, Canyonlands National Park, Utah, USA

Desert paintbrush (Castilleja chromosa) in a canyon, Arches National Park, Utah, USA

Rock formations in a canyon, Colorado River, Dead Horse Point State Park, Utah, USA

Rock formations in a canyon, Canyonlands National Park, Utah, USA

Low angle view of rocks, Bryce Canyon National Park, Utah, USA

Low angle view of a cliff, Arches National Park, Utah, USA

Rock formations in a desert, Marching Men, Tower Arch, Arches National Park, Utah, USA

Rock formations in a desert, Three Gossips, Courthouse Towers, Arches National Park, Utah, USA

Low angle view of rocks, Arches National Park, Utah, USA

Low angle view of a natural arch, Arches National Park, Utah, USA

Dramatic view of a canyon, Grand Canyon, Grand Canyon National Park, Arizona, USA

Dramatic view of a canyon, Grand Canyon, Grand Canyon National Park, Arizona, USA

Rock formations in a canyon, The Windows, Arches National Park, Utah, USA