One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

World War II bunker still standing on the New Jersey beach.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Step inside Lucy, the world's largest "elephant."

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

One of the world's largest model railroads is a mind-boggling achievement.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

The site of one of history's most indelible and horrific tragedies.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

Visit the monolithic tomb of America's most famous general.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

Little Red Lighthouse under the George Washington Bridge.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A World War II-era submarine is stuck in the mud in New Jersey.

A whimsical monument deep in this park commemorates the groups that helped build it.