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Craighead Caverns

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Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee. It is best known for containing the United States' largest and the world's second largest non-subglacial underground lake, The Lost Sea. In addition to the lake, the caverns contain an abundance of crystal clusters called anthodites, stalactites, stalagmites, and a waterfall.

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Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

More caves in United States

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Other notable caves worldwide

  1. Mammoth Cave · Australia686 km
  2. Sistema Sac Actun · Mexico119.2 m
  3. Lechuguilla Cave · United States489 m
  4. Optymistychna Cave · Ukraine20 m
  5. Veryovkina Cave · Georgia2,212 m
  6. Krubera Cave · Georgia2,199 m
  7. Sarma cave · Georgia1,830 m
  8. Clearwater Cave · Malaysia109 km