What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A restaurant and observation deck built in a unique broadcasting antenna.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

This little museum is making sure that the art and history of the graffiti sticker is not scraped from history.

Floating swimming pool within a moored vessel.

Blitzkrieg bop your way through Berlin's Ramones Museum.

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

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

Super-heavy Nazi architectural experiment.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

A wunderkammer of mysterious objects and stories.

A museum dedicated to a Cold War era sausage.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

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

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

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A collection of abandoned typographic signs from Berlin and beyond.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

This classic restaurant features a gorgeous mirror-clad room.

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

A slice of central Asia in the middle of Berlin.

A surreal museum of extraordinary industrial objects.