This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Oriental bazaar in the heart of Sarajevo.

A pair of connected skyscrapers form this symbolic gateway.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

The hallucinogenic center of the ancient world.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A giant portrait of an ancient king looms over the river.

The ghost town where the villagers refuse to leave.

The rocky remains of an ancient Greek forest.

Gigantic water vessel, permanently grounded in Southern Albania.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

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

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An alien landscape on the banks of the Aegean Sea.

A miniature desert appears out of nowhere on the lush isle of Lemnos, like something out of a Greek myth.

Monasteries on rock pillars, once accessible only by frayed ropes.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

Thousands of rusting train cars have been slowly falling apart on the edge of Greece's second largest city.

This architecturally eclectic early-20th century mosque was built as a place of worship for the Islamic followers of a Jewish messiah.