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

The cutest way to stay safe in traffic.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

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

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

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

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

Atop this former dutch railway office sits an interstellar work of art.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

This Dutch art piece became a Russian icon.

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

Home to the world's oldest functioning orrery.

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

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

Its town washed away centuries ago, this lonely tower by the sea tells the tale of a mermaid and a curse.

The mirrored section takes the shape of Hebrew characters when viewed from above.

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

Unchanged for centuries, this medieval library keeps its books in chains.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

Rumored to have been frequented by Vincent van Gogh, it's the only remaining genever producer in the Hague.