A fountain standing as a testament to a doomed alliance.

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

Ancient serpentine sacrifice holder that has stood the test of time.

A tiny park in the middle of some big power politics.

A sixth-century Byzantine cistern hidden below a modern carpet store.

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

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

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

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.

Roman ruins top white travertine terraces formed by ancient hot springs.

A deadly ancient portal to the underworld.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Legend says these stone structures are where the doomed citizens of a vanished village sent themselves to die.

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

Georgia’s answer to Easter Island immortalizes the nation’s great poets, artists, and leaders in stone glory.

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

Ancient rock-hewn town that witnessed key events of Georgian history.

These Stalin-era industrial 'death traps' hang lifeless above the city

Small church on top of a huge rock column.

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

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

An early-19th-century hotel with a past that is steeped in the Civil War.