America’s Largest Underground Lake Is Hiding In Tennessee And It’s Astounding

The Lost Sea is located in Sweetwater, Tennessee, and is precisely where you should head if you’re looking to enjoy an underground tour that will leave your jaw on the ground. As the largest underground lake in Tennessee, and the United States — the Lost Sea is a sight to see. Although it takes a bit of work to get to it…

Did you know that the Volunteer State plays host to the largest underground lake in the United States, the Lost Sea in Tennessee? This Tennessee underground lake is pretty crazy…Continue the adventure by visiting abandoned ruins along the Elkmont Nature Trail.

And for more information and to plan your own visit, check out The Lost Sea Adventure website.

OnlyInYourState may earn compensation through affiliate links in this article. As an Amazon Associate, we earn from qualifying purchases.