A monument hidden in the woods built in 1938 as a getaway for a Dutch museum curator.

The world's first interactive human body museum also serves as a chair for a giant orange man.

A grassy pyramid named after a French battle.

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

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

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

Colorful and chaotic stacked hotel in North Holland.

A beautiful maze marks where three countries meet.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Peek through a transparent pyramid and drink in the mountain made of books.

Silent memorial, using bone conduction to take people back to the Dresden Bombing of 1945.

A surprisingly detailed model of one of the most powerful telescopes in the world.

A section of destroyed vertical lift bridge stands alone in the Peene river.

Commemorating a unique medieval profession: men who collected feces.

A tiny basalt mountain with an observation tower overlooking the beautiful Bavarian countryside.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

At this cemetery, artists are invited to design their own gravestones.

One of the world's heaviest musical instruments towers within a popular urban park.

A statue beloved by—and named by—the local townsfolk it represents.