A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.

A dilapidated space station with overtones of 'Alien' and 'Bladerunner' featuring a multiplayer games galore.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

This concrete residential area doubles as an open-air gallery.

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Art and a pun, all in one.

A wunderkammer of mysterious objects and stories.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

The secret medieval communication system will whisk your words above the noise of the crowd.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

A Milanese café entirely designed by the American director Wes Anderson.

A statue representing a lost Roman profession that was vandalized for centuries.

Rome is now home to a stunning food museum and library.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

Fragments of human bones are embedded in the walls of this quaint alley.

Living towers made of people that are now recognized by UNESCO.

This historical manor is complete with a magnificent garden.

The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

The unfinished final resting place of some of Spain's most prominent politicians.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.