Floating swimming pool within a moored vessel.

A German apartment building hosting as many trees as human occupants.

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

A museum dedicated to a Cold War era sausage.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Art and a pun, all in one.

When the rain falls, this drain system turns into a musical instrument.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

Ruins of a German Castle on top of a towering stone pillar.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.