On the wall of this medieval square, a symbol of the Spanish Inquisition.

An early 20th-century bullring converted into a modern shopping center.

A once-secret library of Freemason history in Catalonia.

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.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Turntable anonymously received orphans, alms, and groceries.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

This cemetery features modernist statues as strange as its name.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

This banal Parisian entranceway is not what it seems.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Brussels' favorite peeing boy has a sister.

When you're a great Russian Tsar, even your vomit gets a statue.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

A little sculpture with a large wardrobe.

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

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

The Devil’s own choice when he needs a drink in Brussels.

The mass grave of the 27 victims of the "Vampire of Hanover."

Striking occult iconography on a medieval German church.