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

The elegant manor house where Kaiser Wilhelm II lived in exile after World War I.

This Dutch art piece became a Russian icon.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

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

A dramatic art installation features a BMW flying out of a building in Rotterdam.

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

This vast collection of smoking pipes from across the world spans centuries.

A statue of the second-tallest Dutchman in history.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

A grassy pyramid named after a French battle.

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

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

Europe's official "zero-level," the equator of elevation.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Amsterdam's former hotspot for public executions and dissections.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Colorful and chaotic stacked hotel in North Holland.

A beautiful maze marks where three countries meet.

A beautifully eclectic mix of architectural styles.

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

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Cat art as far as the eye can see.