Fern Cave: The Discovery, Exploration, And History Of Alabama's Greatest Cave
  • Por Jennifer Pinkley
  • Duración: 9:52:56
  • Narrador: Jennifer Pinkley
  • Editor: Author's Republic

Fern Cave likes to keep its secrets. It features over 15 miles of passage, a 437-foot-deep pit, and 18 distinct levels. Fern Cave is a complex three-dimensional maze of deep pits,...