Stalinist skyscraper built with help of cryotechnology.

Stalin's march toward a more modern USSR flooded a monastery, leaving a unique and extravagant nautical marker, "The Flooded Belfry."

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

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

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

Thanks to a spelling mistake this bizarre beaver-tiger hybrid became the symbol of a Siberian town.

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

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

Former headquarters of the KGB.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

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

Stunning examples of Russia's 18th-century wooden architecture.

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

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

The decaying remains of a once-luxurious Soviet spa town.

You'll find just about anything in this funky Tbilisi flea market.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

A beautiful and moving memorial set on a little island in the middle of the river in Minsk.

A symbolic graveyard for the villages that perished during the Nazi invasion of Belarus.

Glowing orb in Minsk houses 8,600,000 items.

A striking Soviet memorial commemorates the liberation of Belarus from the Nazis.

A small museum in this border city displays the contraband art that has been stolen back from smugglers.