This ancient abandoned church in a remote part of Turkey is in danger of falling over.

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

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

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

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

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

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

This hidden gem is bathed in beautiful natural light.

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

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

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

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

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

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

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

A fountain standing as a testament to a doomed alliance.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

Fantastic lake on the heart of a fault line.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A charming beach town in Turkey captures all the colors of the rainbow.

The most metal church of all time was built in record time because of an international, pious pissing contest.

An ancient church on a tiny island covered in stone bible stories has controversially been turned into a museum.

Standing proud atop a Turkish bluff, this Ottoman palace has retained its grandeur despite being abandoned for centuries.

Roman ruins, natural methane fires and a lovely beach.