Classical ruins that remember ancient Rome's presence in Africa.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

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.

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

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

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

The luxurious circular mansion built for a Communist leader now lies abandoned.

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

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

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Centuries before the modern seismograph, Armenian monks measured quakes with this tilting pillar.

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

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

A geological oddity topped with a 2,000-year-old pagan temple.

You'll find just about anything in this funky Tbilisi flea market.

A shipwreck named Desire at the shore of Batumi.

A beautiful but deteriorating monument of Soviet architecture.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

Ruins of a former government building destroyed during the Georgian-Abkhaz war in the wake of the fall of the Soviet Union.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

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