A Dutch museum preserves the world's most diverse collection of vertical slices of soil.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

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

While most bridges allow roads to pass over water, this one allows water to pass over a road.

Building Men of War and Indiamen from Holland's Golden Age.

This stately council chamber hasn't changed since 1545.

This artificial ring island was built to hold cubic tons of polluted dirt.

The struggle of a small Dutch island against the sea.

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

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

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

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

The nerve center of a massive, state-of-the art radio telescope that sprawls across Western Europe.

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

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

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

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

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

A grassy pyramid named after a French battle.

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

The place where houses are born.

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

For years, the remains of this ancient Roman fortress were hidden under an orchard.