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Parachute shield cave formation
Unique underground geology of  stalactites and stalagmites.
Underground pool with calm reflections with stalactites hanging from the ceiling inside the Lehman Caves in Great Basin National Park
Lehman Cave in Great Basin National Park, near Baker Nevada. In the Snake Mountain Range which contains limestone. The limestone has been removed by water and carbon dioxide to create the cave and the internal structures.  Columns result when a stalactite and a stalagmite join.
Lehman Caves, Great Basin National Park, Nevada - United States
Grotta di Nettuno - near Alghero (Sardinia, Italy)
a large cave with a hole in it close up
Layer upon layer of flowstone in Grand Palace area of Lehman Caves, Great Basin National Park, Nevada, USA.
Inside the well decorated Lehman Caves in Great Basin National Park, Nevada.
Luray Caverns is a cave just west of Luray, Virginia, United States, which has drawn many visitors since its discovery in 1878. The cavern system is generously adorned with formations such as columns, mud flows, stalactites, stalagmites, flowstone, and mirrored pools. The caverns are perhaps best known for the Great Stalacpipe Organ, a lithophone made from solenoid-fired strikers that tap stalactites of various sizes to produce tones similar to those of xylophones, tuning forks, or bells.
Underground pool with calm reflections with stalactites hanging from the ceiling inside the Lehman Caves in Great Basin National Park
Lehman Cave in Great Basin National Park, near Baker Nevada. In the Snake Mountain Range which contains limestone. Shield formation which are rare.
Caves of Han are a network of underground caves in Han-Sur-Lesse close to Rochefort, Wallonia, Belgium.
Orbetello, Tuscany, Italy: The Risorgenza cave of Punta degli Stretti is located in the municipality of Monte Argentario, on the road from Orbetello to Porto Santo Stefano
Cave Jama Baredine in Croatia
Parachute Shield rock formation (speleothem) in Grand Palace area of Lehman Caves, Great Basin National Park, Nevada, USA.
lake in the cave
Cave wall stalactites creates an abstract background
Rock formations inside of the Lehman Caves in Great Basin National Park, Nevada
Lehman Cave in Great Basin National Park, near Baker Nevada. In the Snake Mountain Range which contains limestone. The limestone has been removed by water and carbon dioxide to create the cave and the internal structures.  Columns result when a stalactite and a stalagmite join.
Onondaga Cave State Park - 1998. Scanned from Ektachrome 200 slide.
The Marble Cave in Crimea, Ukraine
Vjetrenica is the largest cave in Bosnia and Herzegovina, and the most biodiverse cave in the world.
Underground pool surrounded by cave formations (speleothems). Lehman Caves, Great Basin National Park, Nevada, USA.
stalactites calcite formations in large caves, Madeleine Cavec, Ardeche, France
Lake Cave interior with stalactites and stalacmites, South Western Australia.
Colorful lake and stalactites and stalagmites in the cave called Demanovska cave of liberty in Slovakia.
Background photo of the cave inside the mountain. Natural formations are visible in the illuminated cave. Abstract shapes were formed with the effects of shadow and light. Shot with a full frame camera.
Gap Cave at the Cumberland Gap National Historical Park.
Tousirist Sailing through the cave Tham Le Khao Kop (Le Khao Kop Cave) trang thailand
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