Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A surreal museum of extraordinary industrial objects.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An ethereal glowing blue ocean cave in Croatia.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

Every president in history is immortalized in bronze in downtown Rapid City.

An entire city block built completely out of petrified wood.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.