Your Lost Sea adventure features a guided tour of the historic Craighead Caverns culminating with a boat ride on America’s largest underground lake.

The tour is a three-quarter mile round-trip that lasts about 1 hour and 15 minutes. During your visit, you will gain insights into the caverns’ captivating history and observe remnants of its past use by Cherokee Indians, Confederate soldiers, and a colossal prehistoric Jaguar from over 20,000 years ago. A voyage on the Lost Sea is sure to be an adventure you’ll never forget.

CBS THIS MORNING: CHIP REID REPORTS

Deep in the foothills of the Smoky Mountains, about 50 miles south of Knoxville, Tennessee, sits a wonder 140 feet below ground: the largest underground lake in America. The lake, which was discovered only decades ago, attracts about 2,000 visitors a day from all over the world.

New Gateway to the Lost Sea

The renovation of the entrance facility at the The Lost Sea ensures that this fascinating site, home to the largest underground lake in America, will continue to captivate and educate visitors.

Visitors are now greeted by a new entry building with updated amenities including a modern ticket center and gift shop filled with unique souvenirs. The improvements to this popular destination will elevate the overall experience, making it even more enjoyable for our guests. Additionally, the adjacent Lost Sea Village has undergone numerous enhancements, that contribute to its unique charm.