The hottest place on the planet.

Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.

This bright green structure is the final resting place of the 16th-century leader responsible for building the walls around Harar.

Georgia's answer to Easter Island immortalizes the nation's great poets, artists, and leaders in stone glory.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

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

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

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

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

Russian researchers who have been excavating ancient squirrel burrows may have brought a 32,000-year-old plant back to life.

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

One of the most well-preserved mammoth specimens in the world.

This memorial complex contains several mass graves for victims of the Siege of Leningrad.

An iconic Russian watch brand inspired by Yuri Gagarin's trip to outer space.

Palace where the nearly un-killable Rasputin was murdered.

Propped high atop the peak of Mount Gamsutlmeer, this abandoned village is one of the oldest settlements in the region.

Spring that emits water and fire at the same time is said to have remedial properties, and sparked its own religion.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

This striking icon of the disputed Republic of Artsakh caused a stir at a Eurovision Song Contest.

A scenic canyon with thick forests and historic ruins.

A geological oddity topped with a 2,000-year-old pagan temple.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.