An old tram depot transformed into a vintage car paradise.

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

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

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

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

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

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

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

Berlin's oldest surviving academic architecture hosted decades of animal dissections.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

Blitzkrieg bop your way through Berlin's Ramones Museum.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

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

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.

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

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

Super-heavy Nazi architectural experiment.

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

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

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

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

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