Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

A uniquely authentic display of traditional Russian culture.

Russian spa's bronze monument to enemas.

This massive glowering Lenin head gazes out over eastern Siberia.

Church built on the site where the last tsar of Russia and his family were killed.

The mummified remains of Dashi-Dorzho Itigilov, Russia's most important Buddhist.

A little church on a tiny island looks like something from a fairy tale.

The coldest city in the world.

A Marxist summer camp full of fantastical statues lies tucked away and forgotten in the forests of Moscow.

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

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

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

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Spend your honeymoon where the Devil had his wedding.

The gutted remains of this Estonian mansion are a monument to a tragic love.

Mysterious craters may have been home to an ancient cult.

"There's nothing there," and other lies the KGB told us.

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

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

These Stalin-era industrial 'death traps' hang lifeless above the city

The secret cells in the basement of the KGB's Estonian "Grey House" have been preserved as a grim Cold War museum.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.