A hand-built folk art installation covered with messages of God's love.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The second-deepest known cave on Earth, hidden in an extremely remote mountain region.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

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

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

Unusual building appears to be haphazardly built from randomly piled bricks.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

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

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

9th century Abbasid mosque, damaged in modern warfare.

Giant reed houses made in the marshes of Southern Iraq.

Burial site of a Jewish prophet revered in Iran.

These little castles each held thousands of pigeons.

Marked by the hand of the explorer Henry Morton Stanley.

The palace of the King of Kings, burned by Alexander the Great.

Putrefaction plateaus in Iran, where the dead were sent for decontamination before going to their final resting place.

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

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Ottoman-era houses lovingly preserved.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An intimate look into the apartments of Jounieh via cable car.

Ruins of the Crusaders' headquarters.

Mausoleum and Holy Seat of Antiochus I of Commagene.