A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

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

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

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

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

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

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.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

Amsterdam's former hotspot for public executions and dissections.

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

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

A beautifully eclectic mix of architectural styles.

The history and future of cannabis.

The attic of a four-century-old canal house hides a clandestine church.

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

A floating cat sanctuary on an Amsterdam canal.

Museum preserving torture methods from the past.

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

To find the "unicorns of the deep" you've got to go downstairs.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

A display of magnificent stained glass windows is the first exhibit of its kind.

Years of archaeology, just chillin' by the water cooler.

A speakeasy takes on Chicago's drinking culture.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.