Amsterdam's Red Light District leaves little to the imagination.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This museum inside Amsterdam's largest cemetery explores how people deal with death.

The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

A beautifully eclectic mix of architectural styles.

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

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

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

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

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

This bike path traverses the treetops.

This bike path was sunk below water level for maximum wonder.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

A wonderfully kitsch bookstore the size of a supermarket.

Lavish royal estate punctuated with heated greenhouses.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Cozy basement bar sports an inventory of over 2,000 beers.

The Devil’s own choice when he needs a drink in Brussels.

Theme park featuring miniature replicas of European monuments.

One of the deepest indoor swimming pools in the world.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.