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Hills of purple and gray bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Purple badlands of bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

The gateway to the Long Logs Trail and Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A paved walkway leading to the entrance of the Long Logs Trail in Petrified Forest National Park, Arizona, United States of America, North America

Islands of Rock in Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A lone hoodoo rock on the edge of a ridge overlooking the Jim Camp Wash on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A cliff overhang shaped like the head of a Duck west of Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A hoodoo called the Zuni Warrior on the edge of a cliff near Hamilili Point, Hamilili is Zuni meaning petrified wood, Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall on the west side of Hamilili Point, Hamilili being a Zuni word for petrified wood, next to a hoodoo on the south end of Petrified Forest National Park, 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

Purple hills of volcanic bentonite near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A ridge of gray bentonite viewed from a nearby flat top mesa on the south end of Petrified Forest National Park, Arizona, United States of America, North America

A narrow slot canyon of bentonite on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Deep chasm view from Grandview Point at Grand Canyon South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View of the formation called Duck On A Rock in the afternoon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Upper section of Bear Canyon facing south, located in northeastern section of Prescott National Forest near Drake, 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

Grand Canyon North Rim from the end of the Cliff Spring Trail near Cape Royal, Arizona, United States of America, North America

View of Grand Canyon from Bright Angel Point on the North Rim, with Brahma and Zoroaster Temples visible in the distance an Oza Butte on far right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Strangely shaped granite rocks along a trail in Constellation Park called Hole in the Wall, Prescott, Arizona, United States of America, North America

A purely accidental photo of a rainbow intersecting Coffee Pot Rock in Sedona, Arizona, United States of America, North America

Panorama view of Shoshone Point on the south rim of the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

View of a small cove near the end of Lake Shore Trail in Watson Lake at Prescott, Arizona, United States of America, North America

A road leading to Grasshopper Point in Sedona with a warning sign to not run over protected snakes, Arizona, United States of America, North America

The Bell Rock of Sedona viewed from the Rector Connector Trail junction, Arizona, United States of America, North America

Panorama of Bell Rock, Courthouse Butte, and Lee Mountain, viewed from the HiLine Trail, composed of three photos, Arizona, United States of America, North America

View from the centre spire of Cathedral Rock in Sedona, Arizona, United States of America, North America

View of Sedona and Cathedral Rock from the summit of Scheurman Mountain, Sedona, Arizona, United States of America, North America

View from the top of the Shiva Nandi Rock along the Beehive Trail on the west ridge of the New Wave in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

View from the Lower Lava Trail near Sunset Crater Volcano, north of Flagtaff, Arizona, United States of America, North America

Grand Canyon viewed from the Desert View Point at night illuminated by moonlight, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Panorama view of the Painted Desert from Chinde Point in Petrified Forest National Park, Arizona, United States of America, North America

A rock hoodoo shaped like a horse head, along the base of Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A Bentonite formation in Petrified Forest National Park near Crystal Forest called the Battleship, Arizona, United States of America, North America

Bright Angel Canyon viewed from Coconino Overlook along North Kaibab Trail on Grand Canyon North Rim, 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

Wavy sandstone formation called Beehive Rock in Glen Canyon Recreation Area, The New Wave near Beehive campground, Arizona, United States of America, North America

A petrified tree stump along the east rim of Tiponi Valley in Petrified Forest National Park Arizona.

A red sand dune below a sandstone mesa, at Ferry Swale 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

An outcrop of rock overlooking the Bright Angel Trail below at Grand Canyon South Rim off Hermit Road, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

A bench along the rim trail overlooking Grand Canyon South Rim off Hermit Road, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The Trailview Overlook East Vista at Grand Canyon South Rim, just off Hermit Road, Grand Canyon, UNESCO World Heritage Site, 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

A sign in different languages warning of a dangerous cliff at the West Vista of the Trailview Overlook along the Hermit Road rim trail, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The back of Historic Hermits Rest, built in 1914, owned by the National Park Service, Grand Canyon, Arizona, United States of America, North America

The paved Greenway Trail that runs between Hermits Rest and Pima Point at Grand Canyon, Arizona, United States of America, North America

The Greenway Trail that runs between Pima Point and Monument Creek Vista, Grand Canyon, Arizona, United States of America, North America

Hermit Canyon viewed from between Pima Point and Hermits Rest, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Closeup of the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A very long fossilized tree along the Long Logs Trail at Petrified Forest National Park, 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

Small mesas with flat tops called Rock Islands on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Pleasant Valley looking south illuminated by moonlight, Grand Canyon North Rim, 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

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

Cliffs of Sycamore Falls with dry inactive waterfalls, Kaibab National Forest near Williams, Arizona, United States of America, North America

South Rim in the distance viewed from Cape Final on the North Rim with Freya's Castle just right of center, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A pool of water reflecting the summit of Johnson Point below Vermilion Cliffs, Glen Canyon Recreation Area, 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

Panorama view of Tuzigoot Ruins from southeast corner, managed by the National Park Service, Arizona, United States of America, North America

Grand Canyon view east of Pinal Point on the south rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

The cliffs of Bright Angel Canyon at Grand Canyon viewed from the start of Garden Creek Canyon along Bright Angel Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Formation in the Petrified Forest National Park called a Teepee, Arizona, United States of America, North America

Meadow near Williams known as Sunflower Flat Wildlife Preserve, normally a wetland now dry due to Arizona's drought, Arizona, United States of America, North America

The northeast side of Keyhole Mesa in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America

Hills of blood red bentonite clay below Kachina Point in Petrified Forest National Park, Arizona, United States of America, North America

Ancient Indian petroglyphs on a boulder near Martha's Butte in Petrified Forest National Park Arizona.

A small waterfall near Kachina Bridge in Deer Canyon, Natural Bridges National Monument, Utah, United States of America, North America

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

A wavy sandstone hill, a fossilized sand dune, at Ferry Swale in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America

A wavy sandstone slope, a fossilized sand dune, at Ferry Swale in the Glen Canyon Recreation Area near Page, 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

Grand Canyon viewed from the Maricopa Point Overlook, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Sign stating that bikes are not allowed beyond this point at Hermits Rest, Grand Canyon, Arizona, United States of America, North America

Historic Hermits Rest, built in 1914, owned by the National Park Service, Grand Canyon, Arizona, United States of America, North America

The paved Greenway Trail that runs between Hermits Rest and Pima Point at Grand Canyon, Arizona, United States of America, North America

An ocean of fog rolling across the town of Chino Valley just as the sun is rising behind Mingus Mountain on a winter morning, Arizona, United States of America, North America

A small overlook east of Pima Point at Grand Canyon off of Hermit Road, Grand Canyon, 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

An Indian dwelling in Petrified Forest National Park called the Agate House, built between 1030AD and 1300AD, Arizona, United States of America, North America

Formation in Glen Canyon Recreation Area called Cove of the Winds, located within the New Wave near the Beehive Campground, Arizona, United States of America, North America

An island of rock just off the Billings Gap Trail at Petrified Forest National Park, Arizona, United States of America, North America

Cathedral Rock at the intersection of upper Baldwin Loop and HiLine Trails with sign warning that the HiLine Trail is for experts only, Sedona, Arizona, United States of America, North America

Hermit Canyon at Grand Canyon viewed from the east side of Yuma Point along the Boucher Trail with Pima Point on the upper right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Panorama of Marble Canyon viewed from Johnson Point below the Vermilion Cliffs, Glen Canyon Recreation Area, 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

The large white blossoms of the night blooming Trichocereus Spachianus Cactus (Golden Torch Cactus), 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 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