A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Stockholm's deepest subway station is also a stunning ecological wonder.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

The most visited, and possibly most controversial, museum in Germany.

A wunderkammer of mysterious objects and stories.

Art and a pun, all in one.

A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

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

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

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

This bronze statue of Martin Luther King was placed in the park without permission.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

A collection of biblical memorabilia.

This pirate-broadcasting-tower-turned-restaurant played a rebellious role in the history of Dutch television.

This subterranean studio is filled with fascinating kinetic art.

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