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5 Most Amazing Caves

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What will Earth look like in 500 years?

What will Earth look like in 500 years?

The Earth in 500 years could be a very different place due to climate change. Learn about the Earth in 500 years.

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  • Carlsbad Caverns National Park. National Park Service.
  • Gunung Mulu National Park. Forest Department of Sarawak, Malaysia.
  • Lovgren, Stefan. "Giant Crystal Cave's Mystery Solved." National Geographic News. April 6, 2007.
  • Mammoth Cave National Park. GORP.
  • Mammoth Cave National Park, Kentucky. U.S. World Heritage Sites. National Park Service.
  • Mulu Caves (Gua Mulu) in Sarawak, Malaysia. Malaysia Central.
  • O'Hanlon, Larry. "Excavating the World's Basements." Discovery.
  • Waitomo Glowworm Caves. Discover Waitomo.