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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The house where John Wilkes Booth conspired with his co-conspirators.

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.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

France's most famous cemetery, with some of its most curious tombs.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

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

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

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

The "last unrestored grand mansion of Savannah" is now a cramped, mouldering maze of antiques.

A statue honoring 44 continuous years of greeting passing ships.

"X" marks the spot of an echo chamber in the middle of a plaza.

This quirky curiosity shop takes its cues from the world's bazaars.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Hundreds of skulls and bones at the largest skeleton museum in the country.

A building so large that it has its own weather.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.