Banksy gives themself artistic license with this piece of London street art.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

A preserved college lock-up that recalls a clubhouse approach to discipline.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.

An abandoned swimming pool decays on the outskirts of Berlin.

A monument to the man who almost killed Hitler.

When German-Iraqi relations broke down, this embassy was vacated post haste.

This German bone house contains the remains of some 20,000 souls.

The jaw of one of humankind's earliest ancestors on display at an overlooked geology museum.

This museum houses an imposing skeleton army comprised of creatures great and small.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

A museum of magic with a Sadist past.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A haunting collection of the vanished and disappearing natural world.

Paris' linguistic guide to the international language of, yes, love.