Big Bone Cave

(Big) Bone Cave is a cave located in Van Buren County, Tennessee, in the community of Bone Cave that is named after it.^[1] It is notable both for its history and current recreational use. It is listed on the National Register of Historic Places and a designated National Natural Landmark. It is a 400-acre (161.9 ha) State Natural Area managed by Rock Island State Park.^[2] It is named for the discovery of the bones of a giant ground sloth in 1811. The cave was operated as a saltpeter mine, notably during the War of 1812 and the American Civil War. A variety of natural remains and human artifacts has been well preserved in the dry atmosphere of the cave. The cave is the 10th longest mapped cave in Tennessee.^[3]

• http://en.wikipedia.org/wiki/Big Bone Cave