This impressive mural is just one amazing artwork on the walls of a data center in Padua.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

Turtles swim in a pond surrounding a classical temple in this lush park in Vicenza.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

A fearsome dragon clings to a corner of Munich's city hall.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

It's good luck to be mocked by this monkey.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

The castle still holds traces of the abandoned Roman fort it was built atop.

This artistic fountain display pays homage to this area's theatrical history.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.