Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A subterranean house of worship carved right out of the bedrock.

An ancient Egyptian temple sits within a modern European museum.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

A miniature city, once ruled by the Queen of the Netherlands.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

The location of the world's first telescope demonstration.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

An art installation memorializing a tram stop, which became a tram stop.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

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

Inside this metro station is a section of the city's former medieval fortification.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

A man throwing a giant severed hand towers over Antwerp’s main square.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A giant bug impaled on a 75-foot-tall needle.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.