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  2. Cave of the Crystals - Wikipedia

    en.wikipedia.org/wiki/Cave_of_the_Crystals

    Cave of the Crystals or Giant Crystal Cave (Spanish: Cueva de los cristales) is a cave connected to the Naica Mine at a depth of 300 metres (980 ft), in Naica, Chihuahua, Mexico. It takes the form of a chamber within the limestone host rock of the mine, and is about 109 metres (358 ft) long with a volume of 5,000 to 6,000 cubic metres (180,000 ...

  3. Actun Tunichil Muknal - Wikipedia

    en.wikipedia.org/wiki/Actun_Tunichil_Muknal

    Actun Tunichil Muknal (the Cave of the Crystal Sepulchre), also known locally as ATM, is a cave in Belize, near San Ignacio, Cayo District, notable as a Maya archaeological site that includes skeletons, ceramics, and stoneware. There are several areas with skeletal remains in the main chamber.

  4. Crystal Cave (Sequoia National Park) - Wikipedia

    en.wikipedia.org/wiki/Crystal_Cave_(Sequoia...

    Crystal Cave is a marble karst cave within Sequoia National Park, in the western Sierra Nevada of California. It is one of at least 240 known caves in Sequoia National Park but the only one accessible to the public. Crystal Cave is in the Giant Forest area, between the Ash Mountain entrance of the park and the Giant Forest museum.

  5. Naica Mine - Wikipedia

    en.wikipedia.org/wiki/Naica_Mine

    Location of the Swords and Crystal caves with the gypsum crystals within the conceptual block diagram of Naica mine. The Cave of the Crystals is a cave approximately 300 m (1,000 ft) below the surface in the limestone host rock of the mine, about 109-metre (358 ft) long, with a volume of 5,000 to 6,000 cubic metres (180,000 to 210,000 cu ft). [7]

  6. Crystal Cave, Bermuda - Wikipedia

    en.wikipedia.org/wiki/Crystal_Cave,_Bermuda

    Crystal Cave is a cave in the British overseas territory of Bermuda. It is located in Hamilton Parish, close to Castle Harbour. The cave is approximately 500 m long, and 62 m deep. [1] The lower 19–20 m of the cave are below water level. The cave formed at a time when the sea level was lower; as the sea level rose, many cave formations which ...

  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. Lechuguilla Cave - Wikipedia

    en.wikipedia.org/wiki/Lechuguilla_Cave

    At 150.4 miles (242.0 km), Lechuguilla Cave is the eighth-longest explored cave in the world [1] and the second deepest (1,604 feet or 489 meters) in the continental United States. [2] It is most famous for its unusual geology , rare formations , and pristine condition.

  9. Crystal Cave (Ohio) - Wikipedia

    en.wikipedia.org/wiki/Crystal_Cave_(Ohio)

    Inside the cave. The Crystal Cave is a limestone cave located in Put-in-Bay, Ohio, located on South Bass Island in Lake Erie. [1] In 1887, Gustav Heineman emigrated from Baden-Baden, Germany, to Put-in-Bay, Ohio, where he established a winery. In 1897 he dug a well beneath his winery and discovered a large vug at a depth of 30 feet (9.1 m).