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

The 20-mile causeway that separates the Netherlands from the sea.

An ancient Egyptian temple sits within a modern European museum.

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

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”

This cheese shop also houses a museum devoted to Dutch dairy.

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

This historical Netherlands fortress still bears the marks of its single siege.

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

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

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

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

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

Colorful and chaotic stacked hotel in North Holland.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

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

The Netherlands' first car tunnel has an unusually rectangular shape.

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

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

Architectureal fantasy quarter of Rome.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.