Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee. It is best known for containing the United States' largest and the world's second largest non-subglacial underground lake, The Lost Sea. In addition to the lake, the caverns contain an abundance of crystal clusters called anthodites, stalactites, stalagmites, and a waterfall. Located in the foothills of the Great Smoky Mountains, the caverns are named after their former owner, a Cherokee Native American, Chief Craighead. The caverns were used by the Cherokee as a meeting place for their councils. More information...
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