Floating swimming pool within a moored vessel.

This monumental work of art symbolizes the coming together of a previously divided city.

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.

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

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A historic fire call point.

One of the world's heaviest musical instruments towers within a popular urban park.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Tiny memorials honor individual victims of the Holocaust.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

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

Reminders of the Battle of Berlin still scar the railway.

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.

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

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

Where once there was a train station bathroom, there is now this German burger joint.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

One of downtown Berlin's last reminders of its Communist past.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

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

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