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  2. List of deepest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_caves

    Jojar Cave 1300 [47] 2.2 km (1.4 mi) Iran ... Map all coordinates in "List of deepest caves" using OpenStreetMap. Download coordinates as: KML; GPX (all coordinates)

  3. List of longest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves

    Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly. [ citation needed ] The highest concentrations of long caves in the world are found in the Pennyroyal Plateau of southern Kentucky , United States, in the ...

  4. List of caves - Wikipedia

    en.wikipedia.org/wiki/List_of_caves

    Possible cave entrances on Mars. The pits have been informally named (A) Dena, (B) Chloe, (C) Wendy, (D) Annie, (E) Abby (left) and Nikki, and (F) Jeanne. As of 2007 [update] seven putative cave entrances have been identified in satellite imagery of the planet Mars , all so far located on the flanks of Arsia Mons . [ 53 ]

  5. Krubera Cave - Wikipedia

    en.wikipedia.org/wiki/Krubera_Cave

    Krubera-Voronja cave is inhabited by endemic species, including four springtails discovered during the CAVEX Team expedition of 2010: Anurida stereoodorata, Deuteraphorura kruberaensis, Schaefferia profundissima, and Plutomurus ortobalaganensis; the last of these is the deepest terrestrial animal ever found on Earth, living 1,980 metres (6,500 ...

  6. Hollow Earth - Wikipedia

    en.wikipedia.org/wiki/Hollow_Earth

    The Hollow Earth is an obsolete concept proposing that the planet Earth is entirely hollow or contains a substantial interior space. Notably suggested by Edmond Halley in the late 17th century, the notion was disproven, first tentatively by Pierre Bouguer in 1740, then definitively by Charles Hutton in his Schiehallion experiment around 1774.

  7. List of caves in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_caves_in_the...

    Bat Cave; Carter Caves State Park; Cascade Caverns; Colossal Cavern; Diamond Caverns; Eleven Jones Cave; Fisher Ridge Cave System; Glover's Cave; Goochland Cave; Great Onyx Cave; Great Saltpetre Cave; Horse Cave also known as "Hidden River Cave" Lost River Cave; Mammoth Cave; Martin Ridge Cave System; Oligo-Nunk Cave System

  8. List of longest caves in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_caves_in...

    Mammoth Cave, the longest known cave system in the world The following is a list of the longest caves in the United States per length (over 50 kilometres or 30 miles) of documented passageways. Many passageways are still being discovered; this list is based on the latest verifiable data. [ 1 ]

  9. Subterranea (geography) - Wikipedia

    en.wikipedia.org/wiki/Subterranea_(geography)

    Cave dweller, Underground living; Cave temple; Cellar; Dungeon; Dugout (shelter) Fogou; Hypogeum; Mine; Rock cut architecture, rock-cut tomb; Smuggling tunnel; Tunnels (street tunnel, train tunnels) Underground city, umbrella article for underground dwellings and facilities; Underground rapid transit system; Wine cave