A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.

The world's largest private telescope collection hides in a secret wing of a Dutch auto museum.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

An early 19th-century English style garden hidden in the Rotterdam cityscape.

Four giant movable street lights decorate this modern Rotterdam square.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

A modern reimagining of a medieval city gate.

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

Unknown to many, this is where items not displayed in a Dutch history of science museum are held.

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

Rumored to have been frequented by Vincent van Gogh, it's the only remaining genever producer in the Hague.

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

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

Watch the local Netherlands birds from inside this giant eco-egg.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

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

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

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

The world's first floating farm is staffed by one human, three robots, and 35 cows.

This functional solar system model was inspired by the famous Eisinga Planetarium.

An impressive array of unique homemade planetariums.

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

This colorfully-painted tunnel links two distinct parts of a historic neighborhood.

The house of physicists Paul Ehrenfest was also a temporary dwelling and study for his good friend Albert Einstein.