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View of natural rock bridge Imi-n-Ifri near village Demnate, Morocco on the foothills of High Atlas Mountains looking similar to the silhouette of the African continent.
Bandelier National Monument, New Mexico, USA - June 7, 2012. Tourists climbing the ladder to Alcove House at Bandelier National Monument in New Mexico, USA.
Carlsbad, New Mexico , USA -- March 12, 2024: People descend the steep decline into the cave entrance at Carlsbad Caverns National Park in the Chihuahua desert, New Mexico, USA.
View of a Salt Mine Cave next to the Salt formations in Garmsar of Iran
Milodon Cave
Taos, NM: A sign reading “Rio Grande del Norte National Monument” near the Taos Gorge Bridge, 10 miles northwest of Taos.
Arid desert Colorado hidden cave with sagebrush and blue sky in spring.
The entrance sign at Mesa Verde National Park, Colorado, United States.
Cave at Ihlara Valley in Cappadocia, Turkey
Canyonlands National Park, Utah 6/11/2024: The entrance sign to Canyonlands National Park located in southeastern Utah near the town of Moab.
High Angle View Of Cave Entrance At Carlsbad Caverns National Park
Cliff cave dwelling with ladder.
The Natural Entrance, a walkway path to the caves of Carlsbad Caverns in Southern New Mexico, USA.
Various valleys and gullies of water at the bottom of Lake Cerkniška in Slovenia. The lake thus dries up and flows into underground rivers approximately every 50 years.
Carlsbad Caverns National Park is in the Chihuahuan Desert of southern New Mexico. It features more than 100 caves. The Natural Entrance is a path into the namesake Carlsbad Cavern.
Massive, tall white sandstone rock formations in the Garden of the Gods of Colorado Springs, Colorado in western USA of North America.
The main entrance sign of Canyon de Chelly National Monument in Arizona in the summer of 2008
Over The Edge And Into Carlsbad Caverns at the Natural Entrance
The entrance sign of Mesa Verde National in Colorado, USA, May 22, 2023.  Mesa Verde National Park is known for its well-preserved Ancestral Puebloan cliff dwellings.
Hercules Leg Cave at Lava Beds National Monument in California, USA.
A stunning view of the famous Carlsbad Caverns National Park, Carlsbad, New Mexico, United States
Cliff face along the Slot Canyon Trail in Kasha-Katuwe Tent Rocks National Monument, New Mexico
The photo is taken from the edge of a deep sinkhole in the karst scenery of the Aragon area of Spain. The view looks directly to the edge and cliff face of the chasm but also shows some of the land above it. The sky is blue.\n\nThe sinkhole is called Sima de San Pedro is located in Aragon, Spain. It is a chasm of karst origin, with a mouth of about 100 meters in diameter and a depth of 108, It is considered unique in Europe thanks to its complex and rich geological structure. Right at the bottom of the pit lies a lake that is 22 meters deep and contains 560,000 cubic meters of water.\n\nIt is a unique and important ecosystems in the region. Its interior contains a microclimate that hosts over 25 species of vertebrates, including amphibians, reptiles, birds and mammals, as well as important colonies of bats. The Sima de San Pedro, or the Voragine di Saint Peter, is located near Oliete, a small town
Teasdale, Utah - May 12, 2021: Sign for Grand Staircase - Escalante National Monument on Highway 12 near Teasdale, Utah.
Anasazi Granary in Rock Alcove Sandstone Cliffs Kaiparowits Plateau Utah
View in patagonia Argentina
The rustic Grand Canyon National Park Tuweep Area Sign in the Toroweap Valley as viewed during April, 1990.
Deep sandstone canyon of red and white near Garden of the Gods and the Pikes Peak forest in Colorado Springs of western USA in North America.
Carlsbad, United States - April 12, 2016: Tourists hike the trail into and out of the Natural Entrance at Carlsbad Caverns National Park
An archaeological site and human bones on the island of Gran Canaria
Free Images: "bestof:NPS Photo by Dale Pate new monument mexico nps entrance el national cave malpais"
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2006_Installation_of_New_West_Entrance_Sign.jpg
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AdobeSurfaceCoatingRenewalOnWall.jpg
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El Morro national monument New Mexico park.jpg
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Macrotera_latior,_male,_face_2012-06-28-17.03.jpg
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Halictus_poeyi,_female,_back_2012-07-03-15.34.jpg
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Lasioglossum_marinum,_Female,_Back,_Georgia,_Camden_County_2013-01-25-16.08.44_ZS_PMax.jpg
Megachile_addenda,_F,_Face,_NJ,_Monmouth_County_2014-04-25-13.39.38_ZS_PMax.jpg
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