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

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

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

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

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

This small electronics museum is full of whirring, humming, clicking ephemera.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

The largest airborne operation in history was launched to capture this bridge.

Organisms normally seen under a microscope decorate this church.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.