This island castle now hosts a world-famous opera festival.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

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

The oldest statue in the Netherlands has survived relocation, bombardment, and burial.

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

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

A bridge that has seen many reiterations over its lifetime.

Sitting at the intersection of sustainability and street art, these repurposed wind turbine blades offer a colorful, "blade-made" tribute to circular design and LGBTQI+ pride in the heart of Rotterdam.

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

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

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

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

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

Four giant movable street lights decorate this modern Rotterdam square.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

The cutest way to stay safe in traffic.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Europe's official "zero-level," the equator of elevation.

A beautifully eclectic mix of architectural styles.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This church is dedicated to the patron saint of seafarers.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This 18th-century former mosque held the first Hellenic Parliament.