An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

The Netherlands' first car tunnel has an unusually rectangular shape.

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

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

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

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

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

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

The tallest mountain in mainland Netherlands isn't actually very tall.

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

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This cheese shop also houses a museum devoted to Dutch dairy.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

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

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

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