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

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

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

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

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

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

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A former plague hospital turned medical museum.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

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.

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

A curious collection dedicated to human and animal anatomy and pathology.

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

The place where houses are born.

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

A beautiful maze marks where three countries meet.

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