A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

A historic grist mill and active sluice on the Black River.

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

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

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

This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

A winding, cliffside stretch of road overlooking the Delaware River.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

Dedicated to one of the most successful boxers to compete in the heavyweight division.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

The graffitied ruins stand hidden within the Pennsylvania woods.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

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

Whimsical artist house in the New Jersey woods.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A glittering Thai Buddhist temple in suburban Pennsylvania.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.