"Muir Woods National Monument, California, USA"

"Muir Woods National Monument, California, USA"

"Saguaro Cactus (Carnegiea gigantea), Organ Pipe Cactus National Monument, Arizona, USA, America"

"North Rim, Grand Canyon National Park, Arizona, USA"

"Hairpin curve, Colorado National Monument, Grand Junction, Colorado, USA"

"Lake Powell, Glen Canyon National Recreation Area, Arizona, USA"

"Lake Powell, Glen Canyon National Recreation Area, Arizona, USA"

"Lake Powell, Glen Canyon National Recreation Area, Arizona, USA"

"Grosvenor Arch, Grand Staircase-Escalante National Monument, Utah, USA, America"

Sand dune, White Sands National Monument, Alamogordo, New Mexico, USA

Klapperschlange (Crotalus), Monument Valley Navajo Tribal Park, Arizona, USA, Nordamerika

"Organ Pipe Cactus National Monument, Arizona, United States, North America"

cliff dwellings

monument valley

Artist's concept of Meteor Crater, Arizona, USA.

White Sands, New Mexico

pillars

pillars

Wupatki National Monument, Arizona, USA