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

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

The fairy tale castle of the "fairy-tale king."

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

Stalin's secret bunker.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

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

Former prison camp dedicated to the victims of political repression.

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

Former headquarters of the KGB.

Palace where the nearly un-killable Rasputin was murdered.

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

Museum celebrating the achievements of the Soviet space program.

Immortal combat in a Moscow museum.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

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

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.

The deepest metro station in the world.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

340-foot statue built to honour the Heroes of the Soviet Union.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

Brought to you by the makers of fiberglass dinosaurs.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.