Catacombs turned marketplace.

London's smallest police station is barely the size of a phone booth.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

400-year-old garden, restored to beauty.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

The most loyal of little dogs, or a Victorian era publicity stunt?

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

A famous burial ground with a history both grim and literary.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Dictionary Johnson’s favorite feline.

A hands-off space for graffiti artists to hone and display their skills.

The broken skateboards that became a poignant memorial to a murdered skater.

Where once there was a train station bathroom, there is now this German burger joint.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Berlin's old airport.

An eerie, derelict amusement park in Berlin.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Hoax, mistake, or evidence of dinosaurs in human times?