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Petrified logs from the late Triassic period, 225 million years ago, Long Logs Trail, Petrified Forest National Park, Arizona, United States of America, North America
San Xavier del Bac Mission, founded in 1692, National Historic Landmark, Tohono O'odham San Xavier Indian Reservation, Arizona, United States of America, North America
Canyon de Chelly National Monument, 200 year old rock paintings of the Spanish , Arizona, United States of America, North America
Sunrise at Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Aerial photo of Grand Canyon from Papillon Helicopter, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sunrise at Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Tree on sandstone silhouetted at sunset with purple clouds, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Sandstone formation under clouds, Coyote Buttes Wilderness, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Steamboat Mountain at sunset from Locust Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Navajo person rides a horse between rock formations, Monument Valley Navajo Tribal Park, Utah Arizona, United States of America
Sandstone wave and cones under clouds, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Orange clouds at sunset over sandstone cones, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Sunset at Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Hoover Dam and lake, border of Arizona and Nevada, United States of America, North America
Montezuma Castle dating from 1100-1400 AD in limestone cliff, Sinagua, Arizona, USA, North America
Chapel of the Holy Cross, sunset, Sedona, Arizona, United States of America (U.S.A.), North America
View of Hoover Dam from the new Mike O'Callaghan-Pat Tillman Memorial Bridge, Arizona, United States of America, North America
Violet-crowned hummingbird (Amazilia violiceps) in flight, Patagonia, Arizona, United States of America, North America
Canyon de Chelly National Monument, Mummy Cave Ruins, Arizona, United States of America, North America
Red and yellow sandstone wave channel, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Historic Route 66 town glowing at sunset, Seligman, Arizona, United States of America, North America
Antelope Canyon, Arizona, United States of America, North America
Man rock climbing at The Pit (Le Petit Verdon) in Sandy's Canyon, Flagstaff, Arizona, United States of America, North America
Cathedral Rock, Sedona, Arizona, United States of America (U.S.A.), North America
Sedimentary layers of bluish bentonite clay, The Tepees, Petrified Forest National Park, Arizona, United States of America, North America
Casa Grande (Great House) Ruins National Monument, home to the Sonora Desert people, founded near 400 AD, abandoned about 1450 AD, Coolidge, Arizona, United States of America, North America
Isis Temple picks up the first light of the day as the sun rises on the Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View from North Window, Monument Valley Navajo Tribal Park, Arizona, United States of America, North America
Red and white sandstone swirls at dawn, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Horseshoe Bend in the Colorado River, Arizona, United States of America, North America
East Mitten and Merrick Buttes, Monument Valley, Arizona, USA, North America
Woman taking pictures, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Woman jogging, Monument Valley Navajo Tribal Park, Arizona Utah border, United States of America, North America
Saguaro cacti and barrel cacti in bloom, Saguaro National Park, Rincon Mountain District, Tucson, Arizona, United States of America, North America
Sonoran Desert Sidewinder (Sonoran Sidewinder) (Crotalus cerastes cercobombus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Sedimentary layers of bluish bentonite clay with petrified wood, Blue Mesa Trail, Blue Mesa, Petrified Forest National Park, Arizona, United States of America, North America
Petrified logs from the late Triassic period, 225 million years ago, Long Logs Trail, Petrified Forest National Park, Arizona, United States of America, North America
Coati (Nasua narica) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Canyon de Chelly National Monument, Antelope House Ruins, Colorful Rock Art Paintings, Arizona, United States of America, North America
Horseshoe Bend, near Page, Arizona, United States of America, North America
Woman posing in Rattlesnake Canyon, Arizona, United States of America, North America
Red and white sandstone formations, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Window Rock, eroded forms near Navaho (Navajo) Tribal Centre, Arizona, USA, North America
Desert Bighorn Sheep (Ovis canadensis nelsoni) ram in captivity exhibiting the Flehmen response, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Ridges in sandstone under clouds, Coyote Buttes Wilderness, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Petrified logs from the late Triassic period, 225 million years ago, Long Logs Trail, Petrified Forest National Park, Arizona, United States of America, North America
Female tourist hiker and Sandstone Rock formations, Lower Antelope Canyon, Page, Arizona, United States of America, North America
House finch (Carpodacus mexicanus), male, Chiricahuas, Coronado National Forest, Arizona, United States of America, North America
Clouds over sandstone cones, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Cathedral Rock seen from Red Rock State Park, Sedona, Arizona, United States of America, North America
Petroglyphs, Canyon de Chelly National Monument, Arizona, United States of America, North America
West Rim at sunrise, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Petrified logs from the late Triassic period, 225 million years ago, Long Logs Trail, Petrified Forest National Park, Arizona, United States of America, North America
Hikers descend the curving South Kaibab trail in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Vermilion flycatcher (Pyrocephalus rubinus), Patagonia Lake State Park, Arizona, United States of America, North America
Canyon de Chelly National Monument, View from the Whitehouse Overlook, Arizona, United States of America
Canyon de Chelly National Monument, Canyon del Muerto in Fall Colors, Arizona, United States of America, North America
Red and white sandstone formations under clouds, White Pocket, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Petroglyphs of riders on horseback hunting an antelope, Canyon de Chelly National Monument, Arizona, United States of America, North America
Sunset at Locust Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Lone tourist on Old Navajo Bridge over Marble Canyon and Colorado River, near Lees Ferry, Arizona, United States of America, North America
Watch Tower, Colorado River below, Desert View Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sandstone formations under clouds, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Brain Rock at sunset, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Sandstone formations at sunrise, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
South Rim rock formations, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
Devils Bridge, Sedona, Arizona, United States of America, North America
The Mittens, Navajo Tribal Park, Monument Valley, Arizona, United States of America, North America
Saguaro Cactus (Camegiea Gigantea), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
San Xavier del Bac Mission, founded in 1692, National Historic Landmark, Tohono O'odham San Xavier Indian Reservation, Arizona, United States of America, North America
Flowers of the Jumping Cholla cactus (Hanging Chain Cholla) (Cylindropuntia Fulgida), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
Lomaki Pueblo, inhabited from approximately 1100 AD to 1250 AD, Wupatki National Monument, Arizona, United States of America, North America
Looking down onto the inner canyon and Colorado River from Mohave Point as it flows through the Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Canyon de Chelly National Monument, Mummy Cave Ruins, Arizona, United States of America, North America
Canyon de Chelly National Monument, old Hogan (a Navajo Traditional House), Arizona, United States of America, North America
Canyon de Chelly National Monument, View from the Whitehouse Overlook, Arizona, United States of America, North America
House sparrow (Passer domesticus), The Pond, Amado, Arizona, United States of America, North America
Tourists at Mather Point overlook, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sandstone sculpted walls, Upper Antelope Canyon, Arizona, United States of America, North America
South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Jack Knife sculpture by Ed Mell, Main Street, Arts District, Scottsdale, Phoenix, Arizona, United States of America, North America
A low sun lights Brahma and Zoroaster temples and the cliff below Hopi Point with the metamorphic Vishnu basement rocks below, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America
Lone hiker near Yavapai Point Overlook, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Tan sandstone at first light, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America
Sandstone Wave, Paria Canyon, Vermillion Cliffs Wilderness, Arizona, United States of America (U.S.A.), North America
Interior of church, Mission San Xavier del Bac, Tucson, Arizona, United States of America, North America
Sandstone formation at dawn, Coyote Buttes Wilderness, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Close up of a common barn owl (Tyto Alba), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
Horseshoe Bend on the Colorado River, Page, Arizona, United States of America, North America
Mountain lion (cougar) (Felis concolor) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Canyon de Chelly National Monument, View from the Whitehouse Overlook, Arizona, United States of America
Upper Antelope Canyon (Tse' bighanilini), LeChee Chapter, Navajo Nation, Arizona, United States of America, North America
The Mittens West and East, Monument Valley, Arizona, United States of America, North America
The Mittens West and East, Monument Valley, Arizona, United States of America, North America
Lees ferry, Colorado River, Glen Canyon Recreational Area, Arizona, USA, North America
The Mittens at dusk cast long shadows, Monument Valley Navajo Tribal Park, Utah and Arizona border, United States of America, North America
Sandstone swirl under clouds, Coyote Buttes Wilderness, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Sonoran Desert sidewinder (Sonoran sidewinder) (Crotalus cerastes cercobombus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Canyon de Chelly National Monument, Standing Rock Petroglyphs, Arizona, United States of America, North America
Spider Rock from Spider Rock Overlook, Canyon de Chelly National Monument, Arizona, United States of America, North America