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Red Wall Bridge crossing Roaring Springs Canyon on North Kaibab Trail, Grand Canyon North Rim, UNESCO, Arizona, United States of America
View of Roaring Springs Canyon along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
View of the Roaring Springs Canyon cliffs from the Red Wall Bridge, Grand Canyon North Rim, UNESCO, Arizona, United States of America
Lonely Boulders and exposed rock in Pleasant Valley, Kaibab National Forest just north of Grand Canyon North Rim, Arizona, United States of America
Looking back up the first leg of the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
The Coconino Overlook along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
The 11th switchback along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
The 17th switchback along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
The 18th switchback along the North Kaibab Trail at Grand Canyon North Rim, UNESCO, Arizona, United States of America
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
The interior of the Supai Tunnel along the North Kaibab Trail, Grand Canyon North Rim, UNESCO, Arizona, United States of America
Bird petroglyph, Petrified Forest National Park, Arizona, United States of America, North America
Male broad-billed hummingbird (Cynanthus latirostris) in flight, Madera Canyon, Coronado National Forest, Arizona, United States of America, North America
Saguaro cactus (Carnegiea gigantea) among Mexican gold poppy (Eschscholzia californica mexicana), Organ Pipe Cactus National Monument, Arizona, United States of America, North America
Western screech-owl (Megascops kennicottii) in flight, The Pond, Amado, Arizona, United States of America, North America
Broad-billed hummingbird (Cynanthus latirostris) perched, Patagonia, Arizona, United States of America, North America
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
An ephemeral pool of water in the granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
An ephemeral pool of water in the granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
An ephemeral pool of water in the granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
The granite riverbed of the Agua Fria River Canyon in the Agua Fria National Monument of Arizona.
Entrance to the Badger Springs Trailhead in the Agua Fria National Monument of Arizona.
Badger Springs Creek Canyon in the Agua Fria National Monument of Arizona.
Sign marking the Badger Springs Trail in the Agua Fria National Monument of Arizona.
Sign marking Badger Springs Road off of I-17 Arizona. This road leads to a hiking trail in the Agua Fria National Monument.
View of Black Canyon on the west side of the Agua Fria National Monument of Arizona with the Bradshaw Mountains in the distance.
Captive river otter (Lutra canadensis) swimming, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Bobcat (Lynx rufus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
The fire watchtower on the summit of O'Leary Peak in the Coconino National Forest of Arizona. Adjacent to the Sunset Crater National Monument.
Forest Service Road that leads to the O'Leary Peak Watchtower and Overlook. Adjacent to Sunset Crater National Monument Arizona in the Coconino National Forest.
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.
End of the Forest Service Road that leads to the O'Leary Peak Watchtower and Overlook. The metal grating is to add traction for vehicles. Adjacent to Sunset Crater National Monument Arizona in the Coconino National Forest.
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.
The Forest Service Road that leads to the summit of O'Leary Peak in the Coconino National Forest of Arizona.
Gateway to the summit of O'Leary Peak in northern Arizona.
Dead trees from a past forest fire on the slope of O'Leary Peak in northern Arizona. Sunset Crater Volcano is in the background.
The eastern summit of O'Leary Peak in the Coconino National Forest of Arizona. Adjacent to the Sunset Crater National Monument.
Sunset Crater Volcano viewed from the forested slope of O'Leary Peak in northern Arizona.
Grand Canyon view at sunset from the west side of Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Captive ringtail (Bassariscus astutus) at sunset, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Captive ringtail (Bassariscus astutus) at sunset, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
Shattered pieces of petrified wood in a sandy wash in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
A Hoodoo of expansive clay called Bentonite in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
Shattered pieces of petrified wood in a sandy wash in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
Ferruginous hawk (Buteo regalis) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
The grassland prairie near Dead Wash in Petrified Forest, Arizona, United States of America
Pieces of petrified wood on hills overlooking Dead Wash, 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
Pieces of petrified wood on hills overlooking Dead Wash, Petrified Forest National Park, Arizona, United States of America
A canyon that drains into Dead Wash, Petrified Forest National Park, Arizona, United States of America
A canyon that drains into Dead Wash, Petrified Forest National Park, Arizona, United States of America
An unnamed canyon that leads into Dead Wash at Petrified Forest National Park, Arizona, United States of 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
Boulder pile in a valley leading to Dead Wash in Petrified Forest National Park, Arizona, United States of America
Boulder pile in a valley leading to Dead Wash, Petrified Forest National Park, Arizona, United States of America
Dead Wash Valley in Petrified Forest National Park, Arizona, United States of America
Dead Wash Valley in 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
Pomeroy Tanks near Sycamore Falls, located in the Kaibab National Forest near Williams, Arizona, United States of America, North America
Black-chinned hummingbird (Archilochus alexandri), Sweetwater Wetlands, Tucson, Arizona, United States of America, North America
Large pieces of petrified wood in the Jasper Forest of Petrified Forest National Park, Arizona, United States of America, North America
Afternoon thunder shower, from Cape Royal Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon view from western edge of Horseshoe Mesa, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Panorama view of Freya's Castle and Wotan's Throne from the southwest side of Cape Royal on Grand Canyon North Rim, Arizona, United States of America, North America
Sandstone bowl of captured rainwater reflecting the sky along Hog Heaven Trail in Sedona, Arizona, United States of America, North America
Hog Wash (Hog Heaven), the intersection of two trails on the Northwest side of the Twin Buttes in Sedona, Arizona, United States of America, North America
The remains of a Guard Shack above the Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
View of Johnson Canyon from above the abandoned Johnson Canyon Railroad Tunnel in the Kaibab National Forest of Arizona, USA
High voltage power lines stretching across Johnson Canyon in the Kaibab National Forest of Arizona, USA
High voltage power lines stretching across Johnson Canyon in the Kaibab National Forest of Arizona, USA
The south entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
The south entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
The old abandoned homestead of Rods Winter Camp in the Kaibab National Forest of Arizona, USA
An artificial pond for cattle called Rods Winter Camp Tank in the Kaibab National Forest of Arizona, USA
Forest Service Road 709 in the Kaibab National Forest of Arizona, USA
The south entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
A metal retaining wall holding up the Johnson Canyon Railroad grade that has been damaged, Kaibab National Forest of Arizona, USA
The north entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
Interior view of the Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
The north entrance of the historic Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
Interior view of the Johnson Canyon Railroad Tunnel, Kaibab National Forest of Arizona, USA
A metal retaining wall along the Johnson Canyon Railroad, Kaibab National Forest of Arizona, USA
A section of the Johnson Canyon Railroad grade that has eroded away, Kaibab National Forest of Arizona, USA