The facade of this bank has changed little over the centuries, including its unique welcome sign.

A relic of the old jail still stands in its original location.

It's forbidden to dig within this ancient Roman fort hidden beneath a playground.

The remains of a medieval wall discovered in the basement of a jewelry store.

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

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

Nestled in the woods lies this land art project: a hybrid between park, maze and natural monument.

This unique sculpture proved invaluable when it saved a train from careening off the tracks.

Walk through the history of a Dutch truck manufacturer, from 1928 to today.

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.

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

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

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

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

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

Elegant marble and old vaults fill this historic Dutch bank turned office space.

A sanctuary for sickly, stray, or wounded donkeys.

A rare double mill nestled along the banks of the Aa river.

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

An awe-inspiring giant blue whale jaw bone stands in the center of this Dutch island.

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

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.