Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

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

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

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

This London plaque marks the spot where David Bowie's famous alien made his debut.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.

Fantastic views and thousands of love locks.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

Enter the cabin of a life-sized Hindenburg replica.

Berlin's old airport.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Take a walk in a recreation of ancient Rome.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.