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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

Salt covered hills of Bentonite in the Petrified Forest National Park along the Blue Forest Trail, Arizona, United States of America, North America

View from the Blue Mesa Trail in Petrified Forest National Park, Arizona, 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 large petroglyph covered boulder in dry Stillman Lake at the bottom of the Verde River Canyon in Paulden, Arizona, United States of America, North America

Floating in a raft on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, 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

Panorama of a valley that is the Gateway to the Devil's Playground in 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 at South Rim, 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

A hoodoo overlooking Jasper Forest in Petrified Forest National Park Arizona that resembles a Dinosaur Head.

An adult male desert spiny lizard (Sceloporus magister), under a ledge in Grand Canyon National Park, Arizona, United States of America, North America

The Desert View Watchtower at Grand Canyon viewed from below the cliffs east of Navajo Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Glen Canyon Dam viewed from main overlook just south of dam, Page, Arizona, United States of America, North America

A hidden natural arch near Sliding House Overlook on the south rim of Canyon De Chelly, Arizona, United States of America, North America

View of Spider Rock from the overlook at the end of Canyon De Chelly National Monument South Rim, Arizona, United States of America, North America

Detail of the rock walls of the Grand Canyon, on a summer day, UNESCO World Heritage Site, 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 sandstone hoodoo at Ferry Swale in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

An eroded Sandstone hoodoo formation north of the Horseshoe Bend Overlook along the Colorado River in Page, Arizona, United States of America, North America

A fossilized sand dune in the shape of a dome near the Spur Canyon at Horseshoe Bend, 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

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 path down into the Spur Canyon in the badlands of Horseshoe Bend, Arizona, United States of America, North America

A hoodoo shaped like a vulture's head, at Horseshoe Bend in the Glen Canyon Recreation Area, near Page, Arizona, United States of America, North America

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

The rim trail at Grand Canyon heading east toward Powell Point from Hopi Point, Grand Canyon, 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

Grand Canyon viewed from Pima Point at sundown, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon with Yuma Point on the left and Hermits Rest on the right, Grand Canyon National Park, UNESCO World Heritage Site, 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

A rocky peninsula off the cliffs of Grandview Point at Grand Canyon South Rim, Grand Canyon National Park, UNESCO World Heritage Site, 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

Layers of tan sandstone, White Pocket, Vermilion Cliffs National Monument, Arizona, United States of America, North America

Brilliant orange clouds at sunset over red and white sandstone, White Pocket, Vermilion Cliffs National Monument, 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

Sandstone formations, White Pockets, Paria Plateau, Northern Arizona, United States of America, North America

Totem Pole and Yei Bi Chei rock formations and sand dunes, Monument Valley, 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

The bend in the Colorado River at Lee's Ferry in Glen Canyon Recreation Area viewed from the plateau at the end of Spencer Trail at Marble Canyon in winter, 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

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

From Bright Angel Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, 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

A hiker looking out from a cliff in Hermit Canyon at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Adult captive desert tortoise (Gopherus agassizii) at sunset at the Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

From Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Tree and bushes before sunrise. Monument Valley, Navajo Tribal Park, Arizona, United States of America, North America

Sunset from the south rim of the Grand Canyon at Shoshone Point, UNESCO World Heritage Site, 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

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

Composed from eight photos, a panorama view of the Grand Canyon South Rim from the historic Watch Tower, UNESCO World Heritage Site, Arizona, United States of America, North America

Northern view of the Grand Canyon from Papago Point on the south rim, the rock on the left is Hollenback Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A winter dawn view of Grand Canyon from Bright Angel Trail on the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A sign along the Bright Angel Trail in Grand Canyon warning that the plants in this area are very fragile, Grand Canyon National Park, UNESCO World Heritage Site, 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

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

Panorama of Cathedral Rock covered in winter snow and ice, Sedona, Arizona, United States of America, North America

Panorama of the First Forest in Petrified Forest National Park, Arizona, United States of America, North America

Petrified Wood in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America

Giant Hoodoos in the Devil's Playground at 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

View from Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from South Rim at sunrise, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from South Rim at sunrise, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

The northwest slope of the Purple Peninsula in Petrified Forest National Park, 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

Grand Canyon viewed from No Name Point halfway between Lipan Point and Pinal Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from Lacey Point in Petrified Forest National Park, Arizona, United States of America, North America

A slot canyon along Cathedral Wash in Glen Canyon Recreation Area, 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

A rock spire separate from the cliff wall west of Zuni Point at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A hiker standing on a cliff between Zuni and Papago Points at Grand Canyon on a stormy day, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A view of the upper Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View from a flight out to the Bar 10 Ranch, North Rim of Grand Canyon National Park, Arizona, United States of America, North America

Night photography at Schist, just before river mile 97, Grand Canyon National Park, 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

Round-tailed ground squirrel (Xerospermophilus tereticaudus), Brandi Fenton Park, Tucson, 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 dry waterfall of wavy sandstone in the spur canyon just north of the main overlook of Horseshoe Bend, 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

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

A hoodoo shaped like a vulture's head, at Horseshoe Bend in the Glen Canyon Recreation Area, near Page, Arizona, United States of America, North America

Grand Canyon viewed from Powell Point under moonlight, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America