A museum dedicated to a Cold War era sausage.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

This sprawling Jewish cemetery is one of the largest in Europe.

Reminders of the Battle of Berlin still scar the railway.

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

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

A towering monument to war, located on a beautifully peaceful hill.

A replica of the Liberty Bell rang daily from West Berlin's City Hall throughout the Cold War.

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

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.

Metro station with a claim to rock n' roll fame.

An abandoned swimming pool decays on the outskirts of Berlin.

Tiny memorials honor individual victims of the Holocaust.

The final resting place of many of Germany's most famous communists.

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

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

When German-Iraqi relations broke down, this embassy was vacated post haste.

Berlin's old airport.

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

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

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