Mysterious hillside with a continuously burning natural fire.

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

Resonant stone, that has been played since prehistoric times.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

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

A gigantic collection of teeny, tiny books.

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

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

The first skyscraper to include a Ferris wheel built into the facade.

Fast food feels like fine dining at this award-winning modern Georgian building.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

This architecturally eclectic fortress witnessed centuries of bloody turmoil, including the massacre of its ruling clan.

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

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

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

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

Ancient rock-hewn town that witnessed key events of Georgian history.

Unusual building appears to be haphazardly built from randomly piled bricks.

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

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

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.

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

The world's oldest model village.