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

This watchtower once presided over the Berlin Wall.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

In the summer of 1957, a massive architectural exhibition showed off the future of urban living in this German neighborhood.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

A brush maker used his factory to protect blind Jews from the Gestapo.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A monument to the man who almost killed Hitler.

This classic restaurant features a gorgeous mirror-clad room.

This winding road through an Italian canyon may be the most scenic drive in the world.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

Cold war icon and onetime "hole" in the iron curtain.

Reminders of the Battle of Berlin still scar the railway.

A prime example of socialist modernist architecture, wrapped in a enormous fresco about the media.

An impressive ensemble of sculptures that survived the Soviet regime.

Launch site for nuclear war against Western Europe.

A 100-plus-year-old mill transformed into a hotel and restaurant.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.