A true Valhalla for cactus and succulent lovers.

A public urinal so pretty, it was declared a national monument.

Two gravestones clasp hands over the religious divide.

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

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

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

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.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

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

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

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

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

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

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

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

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A former plague hospital turned medical museum.

Colorful and chaotic stacked hotel in North Holland.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.