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A large petrified log along the Blue Mesa Trail in Petrified Forest National Park, Arizona, United States of America, North America

Panorama view of the Painted Desert from Tawa Point in 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

Man hiking along rocky shoreline of Lake Powell in an area called the Chains in the Glen Canyon Recreation Area, Page, Arizona, United States of America, North America

Balanced boulder at the base of Vermilion Cliffs in Glen Canyon Recreation Area, Arizona, United States of America, North America

Hoodoo formations in the Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America

A dry waterfall ledge on the south end of Agate Plateau overlooking Jasper Forest in Petrified Forest National Park Arizona.

North East Branch of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

View of Grand Canyon Arizona from the west side of Mohave Point near sundown, UNESCO World Heritage Site, Arizona, United States of America, North America

Sign marking the end of the paved Greenway Trail that runs between Monument Creek Vista and Pima Point, Grand Canyon, Arizona, United States of America, North America

The paved trail that leads to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

An information sign detailing the history of Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A divide in the trail loop for the Giant Logs trail at Petrified Forest National Park with the Rainbow Forest Museum on upper left, Arizona, United States of America, North America

Steps along the Giant Logs Trail leading to a scenic overlook in 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

Rock islands above the purple badlands near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America

Sign along the path to the Long Logs Trail, marking the Jim Camp Wash along the main road of Petrified Forest National Park, Arizona, United States of America, North America

The sun shade shelter along the Long Logs Trail at 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

View from below a ridge that overlooks 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 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

Sandstone that has been eroded into forms that resemble clam shells 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

Downward view from the second floor in historic Desert View Watchtower at Grand Canyon South Rim, artwork created by Fred Kobotie in 1933, now owned by the National Park Service, UNESCO World Heritage Site, Arizona, United States of America, North America

Stairs up to the seconnd floor in the historic Desert View Watchtower at Grand Canyon South Rim, artwork created by Fred Kobotie in 1933, now owned by the National Park Service, UNESCO World Heritage Site, Arizona, United States of America, North America

View from the observation deck of the Desert View Watchtower at Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

North view of Grand Canyon South Rim Arizona from the top floor of the historic Watchtower, taken through glass window, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The Kiva of the ancient Tusayan Ruins at Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Cliff views south of Naji Point on the North Rim of Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Naji Ravine just south of Naji Point on the North Rim of Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

An area of the Little Colorado River Gorge east of the Grand Canyon, Arizona, Uninted States of America, North America

A massive monsoon storm moving over Matterhorn Mesa north of Drake, viewed from Forest Service Road 492, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The south Haystack Hill in Petrified Forest National Park, Arizona, United States of America, North America

A meadow in Fuller Canyon off Cape Royal Road at Grand Canyon North Rim, Arizona, United States of America

The 7th switchback along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America

Grassland that used to be the J D Dam Lake, dry due to a drought in Arizona, Kaibab National Forest, south of Williams, Arizona, United States of America, North America

A bright lightning bolt passing through a cloud and striking in the Gila Bend Mountains south of Arlington, Arizona, United States of America, North America

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

A Sandstone Toadstool near the base of the rock formation called the Rabbit Ears in Sedona, Arizona, United States of America, North America

View of Lee Mountain, Courthouse Butte, and Castle Rock, from the secret trail on the east side of Cathedral Rock in Sedona, Arizona, United States of America, North America

Coronada Butte viewed from the New Hance Trail on the south rim of the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Narrow road, Fire Road 182, and grassy prairie in Prescott National Forest near Drake, Arizona, United States of America, North America

High voltage power lines stretching across Hell Canyon east of Paulden, located in the Prescott National Forest, Arizona, United States of America, North America

Ancient Indian Ruins near Granite Mountain in the Prescott National Forest, Arizona, United States of America, North America

The slopes of Arizona Snow Bowl facing west close to sundown, Coconino National Forest near Flagstaff, Arizona, United States of America, North America

Formation called Agate Mesa, viewed from a group of petrified wood in the foreground, Petrified Forest National Park, Arizona, United States of America, North America

Panorama of three hoodoos shaped like kings, on the edge of the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

View from the Saddle Mountain Overlook on the northeast edge of Grand Canyon North Rim and the Kaibab National Forest, Arizona, United States of America, North America

Lonely Dell Ranch Corral at Vermilion Cliffs National Monument near the Glen Canyon Recreation Area, Arizona, United States of America, North America

Bend in Colorado River near Lee's Ferry, Glen Canyon Recreation Area, Vermilion Cliffs National Monument in background, Arizona, United States of America, North America

Fisheye view of Hance Canyon from the South Rim of Grand Canyon with Grandview Point is on the left, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

One 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

Craggy rock spires overlooking South Rim Gorge, an area between Hance Canyon and the Sinking Ship, which is right of center in the distance, southern most part of Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

The Hermit Road Transfer Station Bus Stop and entry gate at Grand Canyon South Rim, 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

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

Steel picnic table along the rim trail overlooking Grand Canyon South Rim off Hermit Road halfway between Monument Creek Vista and The Abyss, Grand Canyon, Arizona, United States of America, North America

The paved Greenway trail west of Monument Creek Vista with a sign warning cyclists of a steep gradient ahead, Grand Canyon, Arizona, United States of America, North America

A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

A scenic overlook on the west side of the Giant Logs Trail at Petrified Forest National Park, Arizona, United States of America, North America

View of a bentonite hill along the Long Logs Trail in 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

Crumbling cliffs of a mesa near Hamilili Point in Petrified Forest, 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

The swirl of stars in the night sky over Grand Canyon South Rim viewed from Navajo Point with the historic Watchtower in the distance on the right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

An interior view of the historic Desert View Watchtower at Grand Canyon South Rim, artwork created by Fred Kobotie in 1933, now owned by the National Park Service, Arizona, United States of America, North America

Stairs going down from the fourth floor in the historic Desert View Watchtower at Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Southwest view of Grand Canyon South Rim Arizona from the top floor of the historic Watchtower, taken through glass window, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

Northwest view of Grand Canyon South Rim Arizona from the top floor of the historic Watchtower, taken through glass window, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The top floor of the historic Watchtower at Grand Canyon South Rim, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

The observation deck of the Desert View Watchtower at Grand Canyon South Rim, UNESCO World Heritage Site, Arizona, United States of America, North America

Peruvian countryside with Andes in background, Maras, Sacred Valley, Urubamba Province, Cusco (Cuzco) Region, Peru, South America

The Little Teepees on the north side of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

A shallow cave carved out of a cliff wall below the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Crystal Mesa above Crystal Creek west of Hamilili Point in Petrified Forest National Park, Arizona, United States of America, North America

The pedestal of Eagle Nest Rock in Jasper Forest Petrified Forest National Park, the rock fell down in 1941 due to heavy rain, Arizona, United States of America, North America

View of Cathedral Rock in Sedona from the middle of Oak Creek, Arizona, United States of America, North America

A large wall of fractured Granite along a trail in Constellation Park in Prescott called The Lost Wall, Arizona, United States of America, North America

Reflections of Courthouse Butte in the Slick Rock Bowls along the Llama Trail in Sedona, Arizona, United States of America, North America

Panorama of Walnut Canyon, once inhabited by the Sinagua People, located east of Flagstaff, Arizona, United States of America, North America

The Salt River Canyon, hazy view as smoke in the air from wildfire in the area, north of Globe, Arizona, United States of America, North America

View of Sunset Crater Volcano from the east slope of the Lenox Crater Trail, the dark gray soil is volcanic pumice, Arizona, United States of America, North America

Panorama view of O'Leary Peak on the left and Sunset Crater on the right from the Bonito Lava Field near Flagstaff, Arizona, United States of America, North America

A rocky pile in Petrified Forest National Park called Newspaper Rock, where some rocks have petroglyphs, Arizona, United States of America, North America

HDR composite of the late day sun shining through the trees of the Kaibab Forest near Williams, Arizona, United States of America, North America

Sand Castle formations on the edge of the Red Basin in Petrified Forest National Park, Arizona, United States of America, North America

A sheer cliff of rock jutting out from the Blue Mesa along the Billings Gap Trail in Petrified Forest National Park, Arizona, United States of America, North America

Field of hoodoos in Goblin Garden in the Flat Tops of Petrified Forest National Park, Arizona, United States of America, North America

Panorama of Tsu'Vo Buttes in Homolovi State Park, Tsu'Vo is a Hopi word meaning Path of Rattlesnakes, Arizona, United States of America, North America

Cliffs of Chocolate Canyon at Vermilion Cliffs National Monument, Arizona, United States of America, North America

East slopes of Haystack Mesa in Petrified Forest National Park, Arizona, United States of America, North America

Bright Angel Trail at Grand Canyon South Rim viewed from the Trailview Overlook along Hermit Road, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America