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Geologist walking in cave.
Stalactites in the shape of delicate and wavy fabric in Diabo Cave, São Paulo - Brazil.
Belianska Cave (Belianska jaskyňa) in Tatra mountains
석회암 동굴의 벽 VD702
Fossils of marble caves. You have to see this with your own eyes.
The Dupnisa Cave (Turkish: Dupnisa Mağarası), located in Strandzha Mountain Range Kırklareli, northwestern Turkey, close to Bulgarian-Turkish border.
The Gentle Cave is located in Adygea on the way to the Lago-Naki plateau on the Azish-Tau ridge at an altitude of 1400 meters above sea level.
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.
Ryongmun limestone cave in Myoyhang Mountains, North-Korea.
Unique underground geology of  stalactites and stalagmites.
Lower Barac's Cave or Donja Baraceva spilja (Significant landscape Barac caves or Znacajni krajolik Baraceve spilje) - Rakovica, Croatia (Kroatien, Hrvatska)
A view inside Chiang Dao Cave, an important tourist attraction that is mysterious, beautiful and worth searching for.
Geologist standing in cave and talking with each other.
Stalagmites and stalactites in one of the numerous caves situated alongside the River Kwai (more correctly Khwae Noi River or Khwae Si Yok River) in Thailand.
Sterkfontein, South Africa - November 22, 2011: Sterkfontein is a set of caves in Gauteng province, with special interest to paleo-anthropologists. The area is known as the Cradle of Humankind.
tufa or travertine limestone formations in Una National Park, Bosnia and Herzegovina, calcium carbonate rock, that is formed in rivers, when minerals from water settle on different types of surfaces
Summer in Louisville, Kentucky.
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.
inside cave
Moss covered rocks in Nimara Cave in Marmaris, Turkey
group of stalactites hanging in the cave in Alanya Turkey copy space
View of stalactites and stalagmites in cave.
The stalactites are brown in color, forming like round plates, visible from below
During the Roman period, M.S. It was seen that Christianity spread rapidly in the region in the 2nd century, and there was a great struggle between the idolaters and the Christians. Many underground cities in the Cappadocia region, which belong to the 3rd and 4th centuries, were built by Christians for protection, shelter and worship. Mucur Underground City is in Kırşehir province. The underground city carved into soft rocks is 7-8 m deep from the ground. In the underground city with many rooms, the corridors are wide enough to pass from one place to another and people can only move forward by bending, the barns, places of worship, dividing the corridors, and the capstones, which are large volumes and circular shaped stone masses that are estimated to be built to close the rooms. and there are ventilation shafts opening above ground.
mawsmai cave stalagmites.
Inside Timpanogos Cave
The atmosphere at Batu Cermin, one of the tourist destinations in Labuan Bajo, East Nusa Tenggara, Indonesia. There are caves with stalagmites and stalactites and arid conditions around them.
Located in Safranbolu, Turkey, Mencilis Cave is one of the largest caves in the country.
Geologist exploring caves on yellow rubber boat.
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