The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

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.

Lumps of significant stone from around the world surround a flaming monument for peace.

Atop this former dutch railway office sits an interstellar work of art.

A modern reimagining of a medieval city gate.

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

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

A giant floating rubber duck-bunny painted with a different design every year.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Yup, that's a 330-foot yacht passing over the highway.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

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

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

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

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

This failed condo development was reborn as a street art hub.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.