This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

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

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

This stately council chamber hasn't changed since 1545.

Floating swimming pool within a moored vessel.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Small transmitter operated by a priest in the Netherlands.

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

An unassuming rod in the Netherlands was once the old standard unit of length for the entire Dutch empire.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

A luxury hotel housed in a former 15th century Gothic church.

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

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

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

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

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

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This wooden hotel is a temple to German sustainability and forest conservation.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Wax models of disease and deformity are on display at this German medical museum.

Remnants of an exploded schooner and wrecked submarines form a breakwater.