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Stanton's Cave is a deep cave in the redwall limestone layer, along the Colorado River in Grand Canyon National Park, Arizona.  It was named for early explorer Robert Brewster Stanton.
View of the Grand Canyon, Arizona from Guano Point, a popular vantage point on the West Rim of the Canyon.
Large pinyon pine grove surrounds the dirt road heading toward the western rim of Kanab Creek in Grand Canyon National Game Reserve.
Old Route 66 Market near Albuquerque New Mexico
The interior view of the natural and historical cave of Karaftu and the place of human habitation in ancient times in the Kurdistan province of Iran
Jerome is an old copper mining town set on the steep slopes of Cleopatra Hill between Prescott and Sedona. Once the fourth largest city in Arizona, it became one of the West's largest ghost towns in the 1950s. Now designated a National Historic District
Carlsbad Caverns National Park, New Mexico
Aerial view of mountains and valley against cloudy sky in Grand Canyon National Park, Arizona, USA.
Picture of stalagmites and stalactites inside Phung Chang Cave, Phang Nga, Thailand.
The Bright Angel Trail is a scenic and challenging hiking route that descends from the South Rim of the Grand Canyon to its base. On a clear day, the trail winds through steep switchbacks, rugged cliffs, and natural rock formations, providing expansive views of the canyon's layered geology
Carlsbad, United States - April 12, 2016: Tourists hike the trail into and out of the Natural Entrance at Carlsbad Caverns National Park
Navajo Twins Rock Formation, U.S. Highway 191 and Bluff town, Utah, USA.
Stanton's Cave, used by the early Colorado River explorer Robert Brewster Stanton, lies along the Colorado River deep within Grand Canyon National Park, Arizona
A view of the dramatic landscape of Arches National Park in Moab Utah
The rustic Grand Canyon National Park Tuweep Area Sign in the Toroweap Valley as viewed during April, 1990.
The entrance sign at Mesa Verde National Park, Colorado, United States.
the Rain God Mesa; Monument Valley
This is a popular hike and showing a trail from the top of the canyon room down to the river at the bottom
Asphalt road with bright yellow dividing lines leads along the majestic buttes of the Grand Canyon.
Entrance to the Antelope Canyon
The Cueva Palombeira, excavated vertically through the hill that presses against the gorge of La Balouta (in Las M dulas, Le n, Spain), is an artificial tunnel constructed for the evacuation of waste material from the gold mine of Las M dulas. Upon entering a few meters into the cavity, one becomes aware of a tunnel cleanly sculpted into the rock, running along the upper part of the cavern, with vertical walls and an arched ceiling. In contrast, the rest of the cavity is a narrow incision with irregular walls, exposing the structure of an ancient fossilized karst gallery. After the construction of the tunnel during the Roman exploitation period of Las M dulas, the continuous flow of mud and waste materials eroded the initial floor, carrying away the weaker materials that sealed the gallery. These materials consisted of alluvial conglomerates. As a result, the tunnel s exit is located at the highest point of a vast cone of debris that fills the La Balouta ravine and reaches the site of Salas de la Ribera, a locality directly built upon the waste materials from Las M dulas.
Woman walking through a sandstone cave at Truitjieskraal in the Cederberg Wilderness Area South Africa
The cave in Timimun abandoned city in Sahara desert, Algeria
Sign reminds tourists to respect the area around them and pick up after themselves. This sign is located outside of the East Rim of the Grand Canyon National Park.
High Angle View Of Cave Entrance At Carlsbad Caverns National Park
U.S. Highway 191 and Wilson Arch Scenic View Area, Utah, USA.
Beautiful Royal Arches, an alcove in the Redwall layer along the Colorado River in Grand Canyon National Park
Turnout along Ross Maxwell scenic drive to view the flora and fauna of Big Bend national park. Buttes in distance with cactus and other succulents in the foreground near the Homer Wilson Ranch.
Stone Tunnel on the path down Grand Canyon
Grand Canyon, Bright Angel trail. South Rim. Arizona, USA
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