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

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

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

A large measuring stick marks the lowest point of a country that is partially under sea level.

Yup, that's a 330-foot yacht passing over the highway.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A unique work of automotive art calls this shopping center home.

A public urinal so pretty, it was declared a national monument.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

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

A farm turned upside down.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

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

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

A decomissioned facility where the German "Transrapid" maglev trains were once tested.

The Suurhusen church tower in Germany leans over farther than the famous Leaning Tower of Pisa.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

One of the last remaining railway viaducts equipped with a transporter ferry.

A small artistic "graveyard" where clichéd expressions have been buried.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.