Admission: Between $15.95 and $28.95, and free for children age 3 and younger Location: 140 Lost Sea Road, Sweetwater Approximate travel time from Knoxville: One hour and two minutes The Museum of ...

In 1905, a 13-year-old boy, Ben Sands, stumbled upon a remarkable discovery deep within the Craighead Caverns in Tennessee. This underground lake, which would later be known as the Lost Sea, is ...

When you think of East Tennessee destinations, the Smokies and Dollywood likely come to mind, ... The Lost Sea. America's largest underground lake is just a short jaunt from Knoxville.