Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

Explore nearly 400 years of English middle-class home life.

Isaac Newton's former home, where the famous apple tree still stands.

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.

Descend into the tunnels to experience the life of a coal miner.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A Museum of Psychiatry in a still-operating mental institution.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Theme park featuring miniature replicas of European monuments.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

This "floating railway" is one of the world's oldest monorail systems.

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

Most prolific publishing house in the 1600s open to the public.

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

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

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

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

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

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.

A former plague hospital turned medical museum.