A slice of central Asia in the middle of Berlin.

Blitzkrieg bop your way through Berlin's Ramones Museum.

An eerie, derelict amusement park in Berlin.

Puppet theater and museum holding a collection of more than 300.

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

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.

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

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

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

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

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

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

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

A fascinating insight into daily life in the Eastern Bloc.

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

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

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

A brush maker used his factory to protect blind Jews from the Gestapo.

A surreal museum of extraordinary industrial objects.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

Giant stone letters dedicated to the founder of Armenia's alphabet.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.