Delicate fins of boxwork, a rare cave feature, in Elk's Room, Wind Cave.
Photo Credit: NPS Photo
Photo of Wind Cave National Park
Wind Cave National Park
26611 US Highway 385, Hot Springs, South Dakota 57747 USA
26611 US Highway 385, Hot Springs, South Dakota 57747 USA
Delicate fins of boxwork, a rare cave feature, in Elk's Room, Wind Cave.
Photo Credit: NPS Photo