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Three hoodoos in a triangular formation in Devil's Playground called the Unholy Trinity, Petrified Forest National Park, Arizona, United States of America, North America

South side of Damnation Mesa on the north end of Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

Two of three ponds called the Hearst Tanks, on Grand Canyon South Rim, located one mile east of Grandview Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America North America

The east rocks of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

The west rock ridge of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

A narrowing of the spur canyon just north of the main overlook of Horseshoe Bend, Arizona, United States of America, North America

View from below the cliffs of the spur canyon just north of the main overlook of Horseshoe Bend, Arizona, United States of America, North America

The bus stop at the Powell Memorial off Hermit Road at Grand Canyon, Arizona, United States of America, North America

The paved rim trail along the cliffs of Grand Canyon South Rim between the Trailview Overlook East Vista and the West Vista, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The Great Mohave Wall at Grand Canyon viewed just west of Monument Creek, part of the canyon below this cliff wall, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon viewed east of Pima Point with Mohave Point on the right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A female Elk that came out of the forest along the Greenway Trail that runs between Pima Point and Monument Creek Vista, Grand Canyon, Arizona, United States of America, North America

The Kaibab Forest in winter near Waldron Canyon west of Hermits Rest, Grand Canyon, Arizona, United States of America, North America

The cliffs of Waldron Canyon west of Hermits Rest in winter, Grand Canyon, Arizona, United States of America, North America

Saguaro cactus (Carnegiea gigantea), Saguaro National Park, Arizona, United States of America, North America

Colorado River viewed from the cliffs of Desert View Point at Grand Canyon South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

White horse grazing in the red sand of Monument Valley in front of the classical sunrise view, Monument Valley, Arizona, United States of America, North America

Sandstone formations at dawn with pink clouds, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Butte at first light, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

The famous Mushroom Rock at Shoshone Point at sunrise, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A deserted shop open for business, Monument Valley Navajo Tribal Park, Arizona, United States of America, North America

The Vermilion Cliffs adjacent to Glen Canyon Recreation Area viewed from the plateau at the end of Spencer Trail in Marble Canyon with Lee's Ferry on the lower left with the Colorado River, Arizona, United States of America, North America

Flock of American avocet (Recurvirostra americana) in flight, Whitewater Draw Wildlife Area, Arizona, United States of America, North America

Female acorn woodpecker (Melanerpes formicivorus), Chiricahuas, Coronado National Forest, Arizona, United States of America, North America

A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America

The Giant Petrified Logs of Petrified Forest National Park, located along a trail behind the Rainbow Museum, Arizona, United States of America, North America

Male ruddy duck (Oxyura jamaicensis) swimming, Sweetwater Wetlands, Tucson, Arizona, United States of America, North America

Broad-billed hummingbird (Cynanthus latirostris) hovering, Patagonia, Arizona, United States of America, North America

White sandstone eroded like a brain, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Wispy clouds at sunset, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Organ pipe cactus (Stenocereus thurberi) at night in Organ Pipe Cactus National Monument, Sonoran Desert, Arizona, United States of America, North America

An adult great horned owl (Bubo virginianus), sitting on the nest in Madera Canyon, southern Arizona, Arizona, United States of America, North America

A granite rock formation along the Hole in the Wall Trail in Constellation Park in Prescott giving the trail its name, Arizona, United States of America, North America

View of Shoshone Point on the south rim of the Grand Canyon from the west side of the point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Cathedral Rock viewed from a slick sandstone plateau, composed of 21 photos stitched into a super panorama, Sedona, Arizona, United States of America, North America

Sandstone buttes in Monument Valley Navajo Tribal Park on the Arizona-Utah border, United States of America, North America

Mounds of a volcanic clay called Bentonite in the Petrified Forest National Park, Arizona, United States of America, North America

A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins,Petrified Forest National Park, Arizona, United States of America, North America

Hills of Demons and Fallen Angels, The Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

Panorama view from above Sand Hill Spring at Vermilion Cliffs National Monument, with snow covered land in the distance of the Kaibab Plateau, location of the Grand Canyon, Arizona, United States of America, North America

Tabletop Rock on the cliffs of the Transept Canyon at Grand Canyon North Rim along the Widforss Trail, UNESCO World Heritage Site, Arizona, United States of America, North America

Vermilion Cliffs National Monument where it overlaps Glen Canyon Recreation Area, Arizona, United States of America, North America

Commercial rafters run the Lava Falls Rapid, just before river mile 180, Grand Canyon National Park, Arizona, United States of America, North America

Wild flowers in bloom after a particularly good rainy season at Picacho Peak State Park, Arizona, United States of America, North America

A narrowing of the spur canyon just north of the main overlook of Horseshoe Bend, Arizona, United States of America, North America

Panorama view of Grand Canyon from the cliffs of Powell Point, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The cliffs of Waldron Canyon, southwest of Hermit Canyon in winter, Grand Canyon, Arizona, United States of America, North America

A small hill of gray bentonite clay that appears to be melting into the purple bentonite of Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Clouds at dawn over salmon and white sandstone, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Woman looking over Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Pleasant Valley near sunset in the Kaibab National Forest just north of Grand Canyon North Rim, Arizona, United States of America, North America

The swirl of stars in the night sky over Grand Canyon South Rim viewed from Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

American Kestrel (Sparrow Hawk) (Falco sparverius) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

Desert view stone tower on top of the south rim of the Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Coronado Falls with the sun setting behind the Sinking Ship at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Hance Creek between Sinking Ship on the left and Coronado Butte right of center right at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon viewed west of Moran Point at sunset with an approaching storm on the right, Arizona, United States of America, North America

Grand Canyon view from the east side of Skeleton Point along the South Kaibab Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Male northern cardinal (Cardinalis cardinalis), The Pond, Amado, Arizona, United States of America, North America

A narrow canyon along the south cliffs of Cape Final on the North Rim, with the pointed peak of Freya's Castle in the distance, Grand Canyon, Arizona, United States of America, North America

The Transept Trail sign where it branches off from the Bright Angel Point Trail on the North Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Sandstone formation, Coyote Buttes Wilderness, Vermilion Cliffs National Monument, Arizona, United States of America, North America

The cattle corral of Lonely Dell Ranch, managed by the National Park Service, at Glen Canyon Recreation Area, Arizona, United States of America, North America

Rock formations, Monument Valley, Navajo Tribal Park, Arizona, United States of America, North America

The large white blossoms of the night blooming Trichocereus Spachianus Cactus (Golden Torch Cactus), Arizona, United States of America, North America

Sandstone buttes in Monument Valley Navajo Tribal Park on the Arizona-Utah border, United States of America, North America

A lightning storm moving in across Lee Mountain just northeast of the Rabbit Ears formation in Sedona, Arizona, United States of America, North America

The west rock ridge of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

The west rock ridge of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

Closeup of a male Praying Mantis native to Arizona on the hunt for a female, Arizona, United States of America, North America

The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America

The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America

Shooting the rapids in a raft on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Panorama of a ridge in the Devil's Playground of crumbling hoodoos, Petrified Forest National Park, Arizona, United States of America, North America

The Smoke Stack, rocky peak of the Sinking Ship rock formation, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon viewed from the vista of Mohave Point along the Hermit Road, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A hoodoo formation called Medusa's Child, below the cliffs of Agate Plateau in Petrified Forest National Park, Arizona, United States of America, North America

Ancient Indian Ruins on the edge of a cliff east of Papago Point at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

North Rim of Grand Canyon in the distance viewed from west of Pinal Point on the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon viewed from Point Sublime on the North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

The head of the Transept Canyon at Grand Canyon North Rim along the Widforss Trail, UNESCO World Heritage Site, Arizona, United States of America, North America

Five Mile Point, Cathedral Rock, and Sunset Rock at Glen Canyon Recreation Area in Marble Canyon, Arizona, United States of America, North America

Loki's Rock at Grand Canyon east of Thor's Hammer Overlook, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon viewed just east of Zuni Point on a stormy day, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from within ancient Indian Ruins on the north side of Cockscomb Butte in Sedona, Arizona, United States of America, North America

Saguaro cactus (Carnegiea gigantea) dot the land surrounding Picacho Peak, Picacho Peak State Park, Arizona, United States of America, North America

Round-tailed ground squirrel (Xerospermophilus tereticaudus), Brandi Fenton Park, Tucson, Arizona, United States of America, North America

Golden light envelops the Grand Canyon during a summer sunrise, Tusayan, Arizona, United States of America, North America

A boy admires the beautiful landscape of rock formations near the town of Page, Arizona, United States of America, North America

The east rocks of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

The east rocks of the New Wave along the Beehive Trail in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

A water spring seeping from a sandstone wall, at Ferry Swale in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America