The world’s first penitentiary, meant to be humane, drove men insane.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

The train collection of an eccentric New England seafood mogul is now a National Historical Site.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

Narrow gorges and deep pools created by long-ago glaciers.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

This jail which was in service for over a century is now open for curious visitors.

A field of nothing but boulders which resembles a giant's gravel driveway.

Grand architectural relics gain a new life in this Pennsylvania warehouse.

This national landmark is also home to a massive treehouse.