You Can Scuba Dive Surrounded by Prehistoric Fossils in Florida’s’ Devil’s Den’ – Travel+ Leisure October 29, 2017 Scuba Diving Travel+ Leisure You Can Scuba Dive Surrounded by Prehistoric Fossils in Florida’s’ Devil’s Den ‘ Travel+ Leisure Devil’s Den, in Florida, is an underground spring inside a cave that got its name from early settlers, who guessed the steam rising from the Ground looked like it was coming from hell. Now, the collapsed river bed has become a popular place to scuba dive …