The Lost Sea is situated 140 feet underground, so walking to and from the lake is a bit of a hike. The tour of the caverns includes a 0.75 mile walk, round trip.

How can it be that a large lake went undiscovered for so long? Simple, it is underground in a cave system. The cave system is called Craighead Caverns and is a very large system t ...

The Lost Sea opened to the public in 1965. These days, the water level is carefully maintained and any extra water is used to run the gift shop and small village of shops aboveground.

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 ...

SWEETWATER, Tenn. — In 1905, a 13-year-old boy playing underground in a cave in eastern Tennessee found a crawlway. The boy, Ben Sands, wriggled through the 300-foot passage, emerging into a ...

The Lost Sea, America’s largest underground lake and a registered national landmark, is about two hours up Interstate 75 in Sweetwater, Tennessee.

Week of January 16-22, 1997 St. Lucia's best diving spots Tennessee's not-so-Lost Sea Base-camp paddling in Canada Learning the ropes for backpacking. Skip to content. NEW MEMBER OFFER!

The Lost Sea was first developed as a tourist destination in 1915. It is considered to be the country's largest underground lake, and the history of The Lost Sea can date back to prehistoric times.

These quirky destinations include a dinosaur park, a bean museum and an underground lake. East Tennessee is known as a top tourist destination. ... Location: 140 Lost Sea Road, Sweetwater; ...