This automated sculpture of two men peeing will spell out text messages with their micturition.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A Jenga-style cylindrical tower of books that appears to go on forever.

A lush indoor jungle fills this bustling Madrid transportation hub.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

The world's oldest bookshop still in operation.

The corpse bride of Portugal.

Ancient catacombs form the foundation for this Rococo orgy of a church.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The largest and most famous wax anatomical collection anywhere in the world.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The oldest operating pharmacy in the world features 800-year-old recipes.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The middle finger of modernity.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

The mummified relic of St. Antoninus.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.