Wahweap Hoodoos.

Toadstools, Utah.

Toadstools, Utah.

Toadstools, Utah.

Toadstools, Utah.

Moonrise, Fisher Towers, Utah.

Kodachrome Basin State Park, Utah.

Carlsbad Caverns National Park.

Hot springs, Sierra Nevada, California.

Pouroff, Waterholes Canyon, Arizona.

Natural rock art. Agua Fria National Monument, Arizona.

Moeraki Rocks, South Island, New Zealand.

Granite Dells, Arizona.

White Pocket, Vermillion Cliffs.

White Pocket, Vermillion Cliffs.

White Pocket, Vermillion Cliffs.

Wahweap Hoodoos.

Fremont rock art, Utah.

Rock art, Rarick Canyon, Arizona.

Cathedral Rock, Sedona, Arizona.

Rock and snow, southern Utah.

Rock art, Red Tank Wash, Arizona.

Rock art, Red Tank Wash, Arizona.