One man built this massive wall to keep his neighbor from complaining about working on Sundays.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

Birthplace of America's first documented serial killer.

This modern medieval weapon of war was built to toss pumpkins.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

The gravestone of the man who designed the plastic pink flamingo is adorned with his most famous creation.

One of the oldest baseball fields in continuous use has been hosting games since 1878.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Stumps of an Ice Age forest, visible only at low tide.

Explore the dark underground corridors of this graffiti-covered former military fortification.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This donated headstone marks the grave of a pair of elderly women who were mysteriously murdered.

The haunting history of a little girl lost.

Surrounded by lonely toys, this Massachusetts gravestone marks the final resting place of six children who were murdered by poverty.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Oldest church in the United States that is still in continuous use.

The oldest surviving wood-frame building in North America is still in the family.

This unassuming stone commemorates a condiment factory gone up in smoke.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.