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America's largest underground lake — discovered by 13-year-old Ben Sands in 1905 inside Craighead Caverns — sits 140 feet below Sweetwater, with cave tours and glass-bottom boat rides on the 4.5-acre lake.
America's largest underground lake — discovered by 13-year-old Ben Sands in 1905 inside Craighead Caverns — sits 140 feet below Sweetwater, with cave tours and glass-bottom boat rides on the 4.5-acre lake.
