A museum of carnival attractions where you are invited to ride the rides.

Notorious artist squat renovated into legal studios.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Abandoned railway line circling the city of Paris.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

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 25-foot-tall gorilla made his way from the Wildwood boardwalk to a Pine Barrens gas station and deli.

A giant scrap metal troll rests his hands on top of a dilapidated building covered in graffiti.

Destructive children, start your engines.

A completely round house designed for the Atomic Age.

Thousands of Matchbox cars spanning generations call this New Jersey barn home.

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

The rusting remains are visible sticking out of the waters of the Delaware Bay.

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

Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

An award-winning children’s garden enchants visitors at the intersection of natural beauty and fairy tales.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

Former abode of notable poet, complete with literary references and stories of ghosts.