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.

Giant stone letters dedicated to the founder of Armenia's alphabet.

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

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

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.

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