Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

This historical Netherlands fortress still bears the marks of its single siege.

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

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

Survival capsules find a second life as a unique hotel.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

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.

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

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.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

The statue of a legendary giant who carried Christ and shouldered the world's sins.

It was once the base for a series of domestic terror attacks.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

The U.S. government built the million-pound stack of steel during the Space Race.