The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

A wunderkammer of mysterious objects and stories.

A museum dedicated to a Cold War era sausage.

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

A slice of central Asia in the middle of Berlin.

Social outcasts and cannibalism in Stalin's Soviet Union.

One of the last examples of Soviet architectural propaganda has a few technological tricks up its sleeve.

The laboratory where the Soviet secret police invented exotic poisons used to kill dissidents in hideous and (mostly) untraceable ways.

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.

Hidden in a metro shop under a shopping mall, this small museum tells the story of one of the world's largest urban transit systems.

Home of the future Emperors of Russia.

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

Former headquarters of the KGB.

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

An art museum inside an active factory.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

An ever-growing literary collection housed in the apartment where the Russian author penned his final novel.

Once frequented by heavyweights of the Russian arts scene, this café is stuck in the 1800s.

Palace where the nearly un-killable Rasputin was murdered.

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

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

What once claimed to be the world's tallest single-family wooden structure house.

The villagers of the coldest inhabited place on Earth adjust to unique challenges presented by day-to-day living.