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From this vantage point, you can see the full expanse of the canyon, with its steep walls plunging nearly 1,000 feet to the canyon floor. The layers of sedimentary rock tell a geological story ...
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Islands on MSNThe 'Greatest Site Under The Smokies' Is A Subterranean Tennessee Marvel With Millions Of Years Of History
This system of caves near Townsend offers visitors an underground tour of one of the largest and most beautiful caverns in the United States.
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