This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A journey through 430 years of bulbiculture in the Netherlands.

Graffiti covers the walls of a room where university students through the centuries have waited nervously to defend their theses.

People have been placing babies on these lilies for photoshoots since the Victorian era.

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

This Dutch art piece became a Russian icon.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

Science meets wall art to highlight the beauty of famous mathematical equations.

An ancient Egyptian temple sits within a modern European museum.

The largest 19th century panorama in the world still in-situ.

Remarkably preserved body discovered in a peat bog.

Home to the world's oldest functioning orrery.

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

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

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.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

The world's first interactive human body museum also serves as a chair for a giant orange man.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

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

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.