DeSoto Caverns Family Fun Park, 5 mi. e. on SR 76 to 5181 DeSoto Caverns Pkwy., covers 80 acres surrounding the historic onyx-marble caverns named for Hernando de Soto. Hour-long guided tours include a laser light and water show in the Great Onyx Chamber, which is larger than a football field and higher than a 12-story building. The park also offers more than 25 outdoor attractions and a playground.During the Civil War the Confederates mined saltpeter in the caverns to make gunpowder; during Prohibition the caverns became a popular speakeasy and square dance hall. Centuries earlier, the Creek Indians considered the caves to be a hallowed place from which their forefathers emerged to establish the Creek nation.Guided tours are available. Camping is permitted. Picnicking is permitted.