According to the website, one of the cave’s earliest visitors was a giant Pleistocene jaguar whose tracks have been found deep inside the cave.
About 20,000 years ago the animal apparently lost its way and fell into a crevice. Some of its bones, discovered in 1939, are on display in the American Museum of Natural History in New York. Others, along with plaster casts of the tracks, are among the exhibits at the visitor center.
In addition to the caves and lake, you can explore the Lost Sea Nature Trail, and visit the general store, ice cream parlor, gem mine and glassblower.
140 Lost Sea Road, Sweetwater, TN 37874
Tickets cost $23.95 for adults and $13.95 for ages 4-12. Children 3 and younger are free.