A commercial show cave in Blountville at the heart of the Sullivan-Washington county line, featuring guided lantern tours of dramatically decorated cavern rooms with formations including cave flowers, soda straw stalactites, and flowstone curtains. Wild cave adventure tours allow experienced visitors to explore undeveloped sections. The cave maintains a constant 58-degree temperature year-round, making it a refreshing summer attraction and a comfortable cool-season activity. Located minutes from Tri-Cities Airport.