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Port Kennedy Bone Cave

The Port Kennedy Bone Cave is a limestone cave in the Port Kennedy section of Valley Forge National Historical Park, Pennsylvania, USA. The Bone Cave "contained one of the most important middle Pleistocene (Irvingtonian, approximately 750, 000 years ago) fossil deposits in North America".

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

More caves in United States

  1. Lechuguilla Cave489 m deep
  2. Carlsbad Caverns National Park333 m deep
  3. Natural Tunnel State Park0.3 km
  4. Merrill Cave0.2 km
  5. Layser Cave0 km

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