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Jewel Cave National Monument

Listed under Show Caves in South Dakota, United States.

  • Photo of Jewel Cave National Monument
  • Photo of Jewel Cave National Monument
  • Photo of Jewel Cave National Monument
Photo of Jewel Cave National Monument
Photo by flickr user kjell
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Jewel Cave National Monument is currently the second longest cave in the word. It was discovered in 1900 and named a national monument in 1908. The cave was named by the discoverers, Frank and Albert Michaud, because of the walls of the cavern being lined with calcite crystals.

The cave is open all year round and has three guided tours including a scenic, spelunking and historic tour. The summer season is the most popular time for visitors and reservations are recommended to be made in advanced during this time. Parts of the cave are still being discovered and the cave is currently 153.56 miles long.

Jewel Cave National Monument website.

Written by  Cassandra Lund.

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