The Tallest Underground Waterfall You Can Visit in the U.S. Is Hidden Inside This Tennessee Mountain
Ruby Falls is an underground waterfall located over 1,000 feet beneath Lookout Mountain in East Tennessee. Travelers visit for the dramatic waterfall reveal, guided cave tours with stunning rock ...
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The Tallest Underground Waterfall You Can Visit in the U.S. Hides Inside a Tennessee Mountain
Ruby Falls is one of those places that stays with you long after you leave. Tucked more than 1,000 feet beneath Lookout Mountain in East Tennessee, this underground waterfall pairs dramatic cave ...
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