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

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

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

Wind power station for making famous Ketel One vodka.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

The location of the world's first telescope demonstration.

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

The largest 19th century panorama in the world still in-situ.

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

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

This castle has links to Portugal’s founding and struggles for independence.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

This ship offers visitors the chance to spend the night aboard a former floating hospital for fishermen.

Elaborate tile work in this railway station tells the story of Portugal.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

A collection of weird and wonderful art fills a former houseplant nursery.

This ghost town in Belgium will lose its street art when it ceases to exist.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A tribute to smugglers and the Butter Wars.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

Stained-glass windows inspired by Vincent van Gogh's paintings decorate this church in the town where the artist's career began.

Baroque celebration of the end of the Great Plague of Vienna.