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

A plaque on the side of a building is a small tribute to the woman who invented an iconic Berlin fast food.

The best bagels in Berlin are tucked away in an independent bookstore.

For more than 170 years, this family-run bakery has been serving Berlin’s best Baumkuchen, or “tree cake.”

This watchtower once presided over the Berlin Wall.

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

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

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.

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

Berlin's old airport.

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

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

An eerie, derelict amusement park in Berlin.

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

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

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

This jail once controlled by the Japanese military now sits abandoned on a remote Pacific island.

Where hundreds of Japanese civilians committed suicide to avoid being captured by American soldiers during WWII.

A gorgeous gem on the ocean.

Once a popular hangout spot this huge mall was left to ruin after economic crash.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.