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

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

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

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 world's first interactive human body museum also serves as a chair for a giant orange man.

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

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

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

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

A beautiful maze marks where three countries meet.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

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

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Peek through a transparent pyramid and drink in the mountain made of books.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Museum preserving torture methods from the past.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

You would never come across this tiny green oasis if you didn't know it existed.