Did you know that the largest underground lake in the United States is located in Sweetwater, Tennessee? Yeah, it’s a pretty neat title to have. Plus, if you make your way down to the park to you get a cavern tour AND a boat ride. That’s one story you’ll never forget.

The Lost Sea - Facebook Located in Craighead Caverns, a large cave system that stretches from Madisonville to Sweetwater in East Tennessee.

The Lost Sea - Facebook This historic photo of the Lost Sea was taken in 1965. The non-subglacial underground lake is the second largest in the entire world.

The Lost Sea - Facebook Thirteen-year-old Ben Sands found the cavern in 1905 - but no one believed him. He had crawled through a small opening in the caverns, but by the time he returned with his father the water had risen and hidden it from view. It was officially found by a group of explorers a couple of years later.

The Lost Sea Adventure - Facebook The earliest known visitor to the cave was a giant Pleistocene jaguar. The bones were found in 1939, and were displayed to the public.

The Lost Sea Adventure - Facebook Dragon’s Breath Cave in Namibia is the only underground lake that knocks The Lost Sea out of the top spot - but hey. We’re still in the Guinness Book of World Records!

If you haven’t made your way out for a visit just yet, you’re going to want to – and soon!

The Lost Sea - Facebook

Located in Craighead Caverns, a large cave system that stretches from Madisonville to Sweetwater in East Tennessee.

This historic photo of the Lost Sea was taken in 1965. The non-subglacial underground lake is the second largest in the entire world.

Thirteen-year-old Ben Sands found the cavern in 1905 - but no one believed him. He had crawled through a small opening in the caverns, but by the time he returned with his father the water had risen and hidden it from view. It was officially found by a group of explorers a couple of years later.

The Lost Sea Adventure - Facebook

The earliest known visitor to the cave was a giant Pleistocene jaguar. The bones were found in 1939, and were displayed to the public.

Dragon’s Breath Cave in Namibia is the only underground lake that knocks The Lost Sea out of the top spot - but hey. We’re still in the Guinness Book of World Records!

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