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A curve in the North Kaibab Trail between Coconino Overlook and the Supai Tunnel Rest Area, Grand Canyon, Arizona, United States of America
The 20th switchback along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
Snow covered landscape, Chino Valley, Arizona, USA
The primitive Bloody Basin Road winding thru the Agua Fria National Monument north of Black Canyon City Arizona
High Tension Power Lines stretching across Bloody Basin in Agua Fria National Monument north of Black Canyon City Arizona
Look back up the freeway exit ramp for Bloody Basin Road in the Agua Fria National Monument of Arizona, Black Canyon City, USA
A Saguaro covered scenic ridge overlooking the Agua Fria River in the Agua Fria National Monument of Arizona, USA
Path leading to a scenic overlook in the Agua Fria National Monument near the abandoned Richinbar Mine, Arizona, USA
A Saguaro covered scenic ridge overlooking the Agua Fria River in the Agua Fria National Monument of Arizona, USA
Remnants of the Richinbar Mine within the Agua Fria National Monument, Black Canyon City, Arizona, USA
Remnants of the Richinbar Mine within the Agua Fria National Monument, Black Canyon City, Arizona, USA
O'Leary Peak, Coconino National Forest, Arizona, USA
Snow covered landscape, Chino Valley, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
A snow squall storm building up over Humphrey's Peak. Viewed from O'Leary Peak in the Coconino National Forest of Arizona. Adjacent to Sunset Crater National Monument.
Dead trees from a past forest fire on the slope of O'Leary Peak in northern Arizona. Sunset Crater Volcano is in the background.
A rain storm over the North Rim of Grand Canyon National Park, Arizona, USA
Panorama of a rain storm over the North Rim of Grand Canyon National Park, Arizona, USA
Snow covered landscape, Chino Valley, Arizona, USA
A butte of Bentonite clay, The Painted Desert, USA
Bellizona and the Church of Saints Peter and Steven, seen from Castelgrande, Canton Ticino, Switzerland
An Indian dwelling in Petrified Forest National Park called the Agate House, built between 1030AD and 1300AD, Arizona, United States of America, North America
An unnamed canyon that leads to Dead Wash in Petrified Forest National Park, Arizona, United States of America
The boundary fence on the east side of Petrified Forest National Park, Arizona, United States of America
An island of rock in an unnamed canyon that leads to Dead Wash in Petrified Forest National Park, Arizona, United States of America
Patches of snow in the shade of a hill in Dead Wash at Petrified Forest National Park, Arizona, United States of America
Red hills of bentonite clay overlooking Dead Wash in Petrified Forest National Park, Arizona, United States of America
An old Model-T placed as a marker for the Route 66 Road Alignment in Petrified Forest National Park, Arizona, United States of America
Cliff view of Dead Wash Valley in Petrified Forest National Park, at sundown, Arizona, United States of America
Red hills of bentonite clay overlooking Dead Wash in Petrified Forest National Park, Arizona, United States of America
The grassland prairie on the summit of White Mesa in Coconino National Forest, Arizona, United States of America
Wet Beaver Creek Canyon viewed from the south end of White Mesa in Coconino National Forest, Arizona, United States of America
O'Leary Peak, Coconino National Forest, Arizona, USA
State Route 64 heading north to Grand Canyon South Rim, Arizona, USA
A sign along State Route 64 in Arizona marking 5 miles to Grand Canyon National Park, Arizona, USA
View of Johnson Canyon from above the abandoned Johnson Canyon Railroad Tunnel in the Kaibab National Forest of Arizona, USA
An information sign on the summit of Apache Maid Mountai, Coconino National Forest, Arizona, United States of America
Fisheye view from below the fire watchtower on summit of Apache Maid Mountain, Coconino National Forest, Arizona, United States of America
The frozen Campbell Draw Tank with approaching snow storm, Coconino National Forest, Arizona, United States of America
A warning sign stating that the road can be closed seasonally, Coconino National Forest, Arizona, United States of America
A cattle pond, Rarick Tank, Coconino National Forest, Arizona, United States of America
View of Echo Cliffs near Marble Canyon Arizona from US89A on a mostly cloudy day. This section of the cliffs is near the little town of Bitter Springs on the Navajo Reservation adjacent to the Vermilion Cliffs National Monument.
The junction where the Transept Trail meets 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
An overlook along the Transept Trail with Oza Butte just right of center at Grand Canyon North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Volcanic cinder rim in Coconino National Forest, Arizona, USA
Basalt boulders and cliffs, Johnson Canyon between Bainbridge Steel and Stone Dams, Kaibab National Forest, Arizona, United States of America
A panorama photo of lightning striking the slopes of Woolsey Peak during the 2012 Arizona Monsoon season, Arizona, United States of America, North America
Pillars of rock standing just away from the cliff of the Grand Canyon south of Zuni Point with Moran Point in the distance, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The ruins of a stone house built in the 1930s as part of a WPA Project in Paulden, abandoned at the start of WWII, Arizona, United States of America, North America
The Central Spires of Cathedral Rock viewed from the west side of the formation, Sedona, Arizona, United States of America, North America
A low angle exterior closeup view of the Wukoki Pueblo at the Wupatki National Monument, Arizona, United States of America, North America
Stone pillars overlooking Papago Creek Canyon on the south rim of the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A canyon in Dead Horse Ranch State Park along the historic Lime Kiln Trail, Cottonwood, 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
Panorama of Grand Canyon viewed from Powell Point along the Hermit Road, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A rock formation called Agate Mesa, 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
A hoodoo shaped like a table top, on a cliff along the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo ridge in Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America
A rock bridge in Devil's Playground where Trolls could hide, Petrified Forest National Park, 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
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
The overhang of a sandstone mesa, a fossilized sand dune, at Ferry Swale in the Glen Canyon Recreation Area near Page, Arizona, United States of America, North America
View from the top of a wavy sandstone mesa, a fossilized sand dune, 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
Sandstone hoodoo formation north of the Horseshoe Bend Overlook along the Colorado River in Page, Arizona, United States of America, North America
Hoodoos on top of a ridge of sandstone near the Spur Canyon at 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
Horseshoe Bend in the Glen Canyon Recreation Area at sundown, near 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
Stairway leading down to the Trailview Overlook East Vista at Grand Canyon South Rim, off Hermit Road, Grand Canyon, 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
Grand Canyon view from a cliff between Hopi Point and Mohave Point, Grand Canyon, UNESCO World Heritage Site, 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
A warning sign at the start of the Hermit Canyon Trail stating that getting to the bottom is optional, but getting back to the top is mandatory, Grand Canyon, Arizona, United States of America, North America
The cliffs of Grand Canyon west of Monument Creek Vista, Grand Canyon National Park, UNESCO World Heritage Site, 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
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
Steps leading down to Trailview Overlook under moonlight, Grand Canyon, Arizona, United States of America, North America
Waldron Canyon viewed from near its end, southwest of Hermit Canyon in winter, Grand Canyon, Arizona, United States of America, North America
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
A petrified tree log that has shattered over time, located on a mesa near Hamilili Point on the south end of Petrified Forest National Park, Arizona, United States of America, North America
The map sign at the gateway for the Long Logs Trail and Agate House in Petrified Forest National Park, Arizona, United States of America, North America
The paved path, that used to be an old road, leading to the Long Logs Trail and Agate House in Petrified Forest National Park, Arizona, United States of America, North America
Crumbling islands of rock near Hamilili Point in Petrified Forest, 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 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 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
Crumbling cliffs of a mesa near Hamilili Point in Petrified Forest, 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
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
A water catchment in the Coconino National Forest, Sunset Crater National Monument, Arizona, USA
Volcanic cinder rim in Coconino National Forest, Arizona, USA
Volcanic cinder hill in Coconino National Forest, Arizona, USA
A rain storm over the North Rim of Grand Canyon National Park, Arizona, USA
Burned trees on a Volcanic cinder rim in Coconino National Forest, Arizona, USA