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

On the Hudson resides one of the largest clocks in the world.

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

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

World Trade Center memorial likened to a woman's sexual organ.

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

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

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

Whimsical artist house in the New Jersey woods.

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

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

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

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

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

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.