One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

Taste freshly foraged yarrow and black locust blossoms at this ambitious cocktail bar.

This platform is now a memorial dedicated to those who were deported during the Holocaust.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

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

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Berlin's old airport.

Super-heavy Nazi architectural experiment.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

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

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

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

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

Tiny memorials honor individual victims of the Holocaust.

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

A monument to the man who almost killed Hitler.

A 12th-century fortress containing some of Berlin's oldest buildings.

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

Old submarine parts have been converted into faux whale fins.

This sculpture forces visitors to confront their relationship with space.

A wall of chewing gum moonlights as collective art.

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

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

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