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

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.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

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

This Great Depression-era creation was once known as the strangest house in the world.

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

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

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

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

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.

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

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

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

A large camera obscura, constructed entirely from digitally fabricated components.

World's first "penitentiary," meant to be humane, drove men insane.

The first American department store, and home to the largest operating musical instrument in the world.

The oldest continuously inhabited street in America.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

Whimsical artist house in the New Jersey woods.

Mysterious rocks that ring musically when struck.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

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