During the holidays, a vintage subway train whisks New Yorkers back in time.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

A historic holy well hidden near a charming English park.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Inside the columbarium, thousands of colorful, high-tech Buddhas guard the ashes of the dead.

There’s a hidden military meme engraved on the World War II Memorial.

Cavemen, elephants, and eagles greet passengers driving through the town's main intersection.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

America's first public mental health facility.

This South London cemetery holds the remains of more than 15,000 people.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The longest hedge maze in the world.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A huge enchanting public park just outside the ancient walls of Rome.

A place to eat for on-the-run agents and espionage enthusiasts.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

An explosion of natural color known as "the river that ran away from paradise."

A little known Colombian theme park of giant curiosities.

This traditional Japanese-style house doubles as one of James Turrell's colorful works of art.