Huge stairway leads to this massive gallery.

This series of Armenian caves held the oldest brain, shoe, and winery in the world.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

A stunning basket-shaped oasis supplies water to one of Tunisia's holiest cities.

An observatory with a 54-meter-wide radio telescope sits in the mountains of Armenia.

This often-missed monastery, set in a scenic mountain landscape, features unique frescoes, fortifications and legends.

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.

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

The last standing example of an ancient district's teatime tradition.

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

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

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

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

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

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

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

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

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.

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.

The ruins of a village destroyed by a 22-day flood.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.