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  2. Ellison's Cave - Wikipedia

    en.wikipedia.org/wiki/Ellison's_Cave

    Ellison's Cave is a pit cave located in Walker County, on Pigeon Mountain in the Appalachian Plateaus of Northwest Georgia. It is the 12th deepest cave in the United States and features the deepest unobstructed pit in the continental US, named Fantastic Pit. The cave is over 12 miles (19.31 km) long and extends 1063 feet (324 m) vertically. [1]

  3. Veryovkina Cave - Wikipedia

    en.wikipedia.org/wiki/Veryovkina_Cave

    At 2,209 meters (7,247 ft) deep, it is the deepest-known cave on Earth. [1] [2] Veryovkina is in the Arabika Massif, in the Gagra mountain range of the Western Caucasus, on the pass between the Krepost [3] and Zont [4] mountains, close to the slopes of Mount Krepost. Its entrance is 2,285 meters (7,497 ft) above sea level. [5] The entrance of ...

  4. List of deepest caves - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_caves

    This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2024. The depth value is measured from the highest to the lowest accessible cave point. The depth value is measured from the highest to the lowest accessible cave point.

  5. Krubera Cave - Wikipedia

    en.wikipedia.org/wiki/Krubera_Cave

    The deep parts of Krubera display a more pervasive conduit pattern with a mixture of phreatic morphology, characteristic of the zone of high-gradient floods, which can be up to 400 m above the low-flow water table, and vadose downcutting elements that are observed even below the water table.

  6. World's largest cave is so big you can fly a Boeing 747 ... - AOL

    www.aol.com/news/2016-12-14-worlds-largest-cave...

    The world's largest cave is so big that a Boeing 747 could fly through its largest cavern unscathed. It could fit a Manhattan city block complete with 40-story skyscrapers and has its own weather ...

  7. ‘Blue hole’ is largest ever discovered at 1.3K feet deep ...

    www.aol.com/blue-hole-largest-ever-discovered...

    Indeed, while TBJH was initially discovered in 2021, scientists only measured its depth down to 900 feet due to limitations in the echo-sounder technology — which calculates speed based on sound ...

  8. Hranice Abyss - Wikipedia

    en.wikipedia.org/wiki/Hranice_Abyss

    Hranice Abyss. Hranice Abyss (Czech: Hranická propast) is the deepest flooded pit cave in the world. It is a karst sinkhole near the town of Hranice, Czech Republic.The greatest confirmed depth is 519.5 m (1,704 ft), of which 450 m (1,476 ft) is underwater.

  9. Scientists make surprise discovery of life in the seafloor’s ...

    www.aol.com/scientists-surprise-discovery-life...

    A deep-sea expedition made the surprising discovery of a previously unknown ecosystem in which animals such as giant tube worms thrive beneath hydrothermal vents.