A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

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

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

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

The luxurious circular mansion built for a Communist leader now lies abandoned.

A museum glorifying the life of Stalin, located in the city of his birth.

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

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

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

The charmingly disheveled clock tower of Tbilisi's puppet theater.

With over 10,000 lights, this engineering marvel lights up the city after dark.

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

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

This extensive collection of vintage Soviet cars is the only one of its kind in the Caucasus.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

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

A shrine of fire worship built on top of a natural flame.

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

This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

A unique museum dedicated to culture and artistry of carpet weaving.

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