A curious collection dedicated to human and animal anatomy and pathology.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The most metal church of all time was built in record time because of an international, pious pissing contest.

Step back in time and witness the fall of Constantinople.

The monumental home of Prussia’s eccentric "Cannon King."

An industrial relic is now one of Europe's most staggering art spaces.

The world's biggest pet store.

This former steel and coal plant is now a neon-lit industrial fantasia.

No need to strap in for a "ride" on this walkable roller coaster.

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

This concrete church spent a period of its history as a World War II bunker.

Be it nature, art, or abandoned military architecture this eclectic German "museum" has you covered.

Restoring faith in humanity one pie at a time by selling stellar baked goods on an honor system.

A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

Surreal giant face-pillars welcome visitors from across the globe to this hotel.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A deadly ancient portal to the underworld.

An abused and forgotten metropolis, abandoned for centuries.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

A Turkish ghost town abandoned in a population exchange with Greece.

Turkish adventurer antiques in the heart of the Grand Bazaar.