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.

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

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

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

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.

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

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A charming beach town in Turkey captures all the colors of the rainbow.

A fountain standing as a testament to a doomed alliance.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A Turkish ghost town abandoned in a population exchange with Greece.

This famous city eluded concrete detection until the early 2000's.

A marvel of Byzantine engineering under the streets of Istanbul.