This medieval castle was painted pink as part of a now-abandoned children's theme park.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

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

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

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

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

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

Amsterdam's former hotspot for public executions and dissections.

The attic of a four-century-old canal house hides a clandestine church.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

The place where houses are born.

A long-closed church turned into a saintly skate park.

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

Where lovers tie birch branches into long-lived knots.

The world's largest collection of ships in bottles.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

Home to the world's oldest functioning orrery.

The struggle of a small Dutch island against the sea.

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

An awe-inspiring giant blue whale jaw bone stands in the center of this Dutch island.

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

Remarkably preserved body discovered in a peat bog.

A bizarre form of natural mummification was discovered in the church of this Frisian village.