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

A gleaming white and undulating tower marks the border between Georgia and Turkey.

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

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

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

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

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

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

Fortified homes of highland warriors that are still in use today.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

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

Small church on top of a huge rock column.

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

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

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

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

Underground monastery and fortress.

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

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

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

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

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

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

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