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

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

Berlin's old airport.

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

A fascinating insight into daily life in the Eastern Bloc.

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

The most visited, and possibly most controversial, museum in Germany.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Folky pharmaceuticals abound in this medicinal reliquary.

A memorial to the murdered Jews of Kaunas.

Ever-growing collection of devils in art.

World's largest bell sits on the grounds of the Kremlin in Moscow.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

Immortal combat in a Moscow museum.

Former estate of Lenin, now home to his death mask.

This Russian religious complex is a Frankenstein's chapel that includes influence from almost all the major faiths.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.

Replica of mosque destroyed by Russia in the 16th century.

Russia's own leaning tower was built on a tragic historical fable.

This famous city eluded concrete detection until the early 2000's.