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

This public toilet built in the famous Amsterdam School architectural style is a Dutch national monument.

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

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

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

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

One of the oldest masonic temples in the Netherlands, built in 1757.

Where lovers tie birch branches into long-lived knots.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

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

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Repurposed space and ultra-modern construction collide to create this geometric wooden spectacle.

This vast collection of smoking pipes from across the world spans centuries.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

Strange secondhand shop showcasing taxidermy and oddies

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

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

A market built atop boats is one of the few floating holiday markets in Europe.

A former plague hospital turned medical museum.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

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