![](http://www.alamy.com/thumbs/6/822B667A-BEC9-404C-A898-3D324F4D10B7/BCK7GT.jpg)
The Formation Room, Jewel Cave National Monument, South Dakota
Size: 3600px × 5400px
Location: Jewel Cave National Monument, South Dakota
Photo credit: © Clint Farlinger / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: america, cave, caving, dakota, formation, formations, jewel, monument, national, natural, nature, north, rock, room, south, speleothem, spelunk, underground, vertical