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

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

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

Mausoleum and Holy Seat of Antiochus I of Commagene.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Ottoman-era houses lovingly preserved.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

An abused and forgotten metropolis, abandoned for centuries.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

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

A meow-velous tribute to a beloved street cat, made famous on the internet.