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I explored two of America's best caves and here's my pick

There are over 45,000 known caves and caverns in the United States. The National Park Service manages nearly 5,000 of them, with many becoming among the most popular caves in the U.S. Of course, two ...
The New York Times

At Halloween, Tennessee’s Caves Beckon With a Spooky Spirit

For the shuffling parade of Paw Patrol officers, princesses and superheroes, there was no shortage of candy or spooky delights at the edge of a forest just outside Knoxville, Tenn. But off to the side ...