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.

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

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

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.

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

The ruins of a medieval monastery built on a perilous slope.

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.

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

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

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

Azerbaijani ghost town, decaying after a war left it an armed forces buffer zone.

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

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

Quito's historic, main square dates back to the 16th century.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

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

Resonant stone, that has been played since prehistoric times.

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

In oil-rich Azerbaijan, people bathe in the black stuff.

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

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