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  2. List of karst areas - Wikipedia

    en.wikipedia.org/wiki/List_of_karst_areas

    Shaanxi tiankeng cluster, discovered in 2016, it is one of the largest in the world comprising forty-nine sinkholes and more than fifty funnels ranging from 50–100 metres in diameter. South China Karst, World Heritage Site; Stone Forest; Xiaozhai Tiankeng, also known as the Heavenly Pit, is the world's largest sinkhole. [3]

  3. Sistema Huautla - Wikipedia

    en.wikipedia.org/wiki/Sistema_Huautla

    Sistema Huautla is the deepest cave in the Western Hemisphere and the ninth deepest cave in the world, tied in depth with the cave Hirlatzhöhle of Austria; it is listed as the twenty-ninth longest at about 62.2 miles of surveyed passages compared to Mammoth Cave in Kentucky, USA, the longest cave system in the world at 420+ miles. [2]

  4. Sudwala Caves - Wikipedia

    en.wikipedia.org/wiki/Sudwala_Caves

    Another view deeper into the caves The entrance chamber. One of the flowstone features in the Sudwala Caves. The Sudwala Caves in Mpumalanga, South Africa, are set in Precambrian dolomite rock, which was first laid down about 2800 million years ago. The caves themselves formed about 240 million years ago. They are one of the oldest caves in the ...

  5. 11 unique caves that you can spend the night in - AOL

    www.aol.com/lifestyle/11-unique-caves-spend...

    From Europe to the USA, you need to see these caves that will blow any hotel room out of the water.

  6. List of lava tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_Lava_Tubes

    Elmenteita Badlands north of Mt. Eburru – several small caves [2] Leviathan Cave – At 12.5 kilometres, it is the longest lava tube in Africa. [3] Emuruangogolak Volcano caves [2] North Chyulu hills area – 20 caves are known [2] Hells Teeth [2] Kimakia Caves [2] Mathioni [2] Skull Caves [2] Kimakia Cave [2]

  7. Cango Caves - Wikipedia

    en.wikipedia.org/wiki/Cango_Caves

    The caves soon became a popular place to visit. [4] In 1829 Dr Andrew Smith visited the Cango Caves, which contained much to tempt his scientific curiosity. [5] A.J.H. Goodwin, an archaeologist at the University of Cape Town, carried out a test excavation in the Cango Caves in 1930 which found stone artefacts and other cultural material. [2]

  8. Ochtinská Aragonite Cave - Wikipedia

    en.wikipedia.org/wiki/Ochtinská_Aragonite_Cave

    The Ochtinská Aragonite Cave is one of only three aragonite caves discovered in the world so far. The cave is located at 642 meters above sea level, with an temperature between 7.2 and 7.8°C. [ 5 ] This stable microclimate, along with dissolved iron, manganese, and magnesium ion is the slowly dripping water, allows for the formation of the ...

  9. Luray Caverns - Wikipedia

    en.wikipedia.org/wiki/Luray_Caverns

    Luray Caverns, previously Luray Cave, is a cave just west of Luray, Virginia, United States, which has drawn many visitors since its discovery in 1878. The cavern system is adorned with speleothems such as columns, mud flows, stalactites , stalagmites , flowstone , and mirrored pools.