Lots More Information
10 Treasures We’ll Lose as Sea Levels Rise
The oceans are rising, and they're threatening to take down some of the world's brightest cultural gems. Here are 10 of the most notable spots potentially endangered by climate change. Read more »


  • Carlsbad Caverns National Park. National Park Service.http://www.nature.nps.gov/geology/parks/cave/
  • Gunung Mulu National Park. Forest Department of Sarawak, Malaysia.http://www.forestry.sarawak.gov.my/forweb/np/np/mulu.htm
  • Lovgren, Stefan. "Giant Crystal Cave's Mystery Solved." National Geographic News. April 6, 2007.http://news.nationalgeographic.com/news/2007/04/070406-giant-crystals.html
  • Mammoth Cave National Park. GORP.http://gorp.away.com/gorp/resource/us_national_park/ky_mammo.htm
  • Mammoth Cave National Park, Kentucky. U.S. World Heritage Sites. National Park Service.http://www.nps.gov/history/worldheritage/mammoth.htm
  • Mulu Caves (Gua Mulu) in Sarawak, Malaysia. Malaysia Central.http://www.malaysiacentral.com/information-directory/attractions-places-to-visit/caves/mulu-caves-gua-mulu-in-sarawak-malaysia/
  • O'Hanlon, Larry. "Excavating the World's Basements." Discovery.http://dsc.discovery.com/convergence/planet-earth/guide/caves.html
  • Waitomo Glowworm Caves. Discover Waitomo.http://www.waitomo.com/glowworm-caves-information.aspx