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Exploring America's largest underground lake

Name: Exploring America's largest underground lake
Uploaded: 2019-08-14T08:14:00-0400
Duration: 4 min 12 s
Description: Deep in the foothills of the Smoky Mountains, about 50 miles south of Knoxville, Tennessee, sits an 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. Chip Reid reports.

Deep in the foothills of the Smoky Mountains, about 50 miles south of Knoxville, Tennessee, sits an 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. Chip Reid reports.