A series of abstract, silly sculptures represent the works of a great modern classical composer.

Notorious artist squat renovated into legal studios.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The oldest stone house in Paris was built by its most famous alchemist.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This little-known relic crypt holds stolen parts of a Roman Empress.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

Christ's blood allegedly preserved in a Belgian town.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Meet the bronze beloved pet to a family of famous peeing statues.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

A little sculpture with a large wardrobe.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

CDMX's home for the world's culinary delights.

66,000 pieces of art, donated by one of the world's richest men.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Twisted buildings adorn the banks of the Rhine river.

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