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

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

Wind power station for making famous Ketel One vodka.

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

The struggle of a small Dutch island against the sea.

This giant wire frame man sculpture is crouched in contemplation.

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

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

This towering church is home to a world-famous organ and a treasure trove of medieval art.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

Home to the world's oldest functioning orrery.

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

The ruins of a medieval castle that once belonged to one of the most powerful families in the Netherlands.

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

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

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

A miniature city, once ruled by the Queen of the Netherlands.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

A grassy pyramid named after a French battle.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.