Immortal combat in a Moscow museum.

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This doorless 20th-century elevator doesn't stop or slow down.

Monument to a suicide protesting the Soviet invasion.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Stalinist skyscraper built with help of cryotechnology.

Legends of time travel and magical woodland creatures bolster the natural charm of this verdant sanctuary in the midst of Moscow.

This Russian locomotive museum was once devoted just to Lenin's funeral before expanding to encompass Moscow's entire train history.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Gargantuan home of Russian science.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

Museum celebrating the achievements of the Soviet space program.

Moscow's imposing monument to the Space Age.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

The tallest hotel in Europe.

Back in the tiny USSR.

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

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

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