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

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

A massive collection of petroglyphs dating back some 40,000 years.

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

Underground monastery and fortress.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

Resonant stone, that has been played since prehistoric times.

Unexpected work of street art in a remote Caucasus mountain town.

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

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

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.

Mysterious hillside with a continuously burning natural fire.

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

This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

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

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

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

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

Perhaps the most spectacular grotto along the Algarve coastline.

This small chapel is built of human bones and decorated with a golden skeleton.

Look up as you explore Baku’s old town to find a monument to the local feline population.

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

A unique museum dedicated to culture and artistry of carpet weaving.

Swirling layers of white and red rock earned these mountains their festive nickname.