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

Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

These ruins once flourished as the capital of the Lydian kingdom, often credited with the invention of metal coinage.

This mysterious cliffside carving of an ancient Hittite deity has baffled scholars for centuries.

A section of the long chain that blocked enemy ships from entering Constantinople.

The eclectic home of a leading Turkish architect is a gorgeous piece of eye candy.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

This ancient subterranean megalopolis is known for the hot oil traps that were installed above each of its entrances.

At this ancient settlement at the foot of Mount Babadağ, honeycomb tombs are carved into a round cliff.

This ancient city - home to nine civilizations - is soon to be buried under 200 feet of water.

This hidden gem is bathed in beautiful natural light.

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.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

Seven early Christians were sealed into a cave where legend has it they slept unharmed for centuries.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

Fantastic lake on the heart of a fault line.

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.

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

A fountain standing as a testament to a doomed alliance.