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

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

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

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

Unfinished monument to peace between Turkey and Armenia, long divided by a dispute over genocide.

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.

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

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

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

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.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

The ancient abodes are a testament to human ingenuity amid harsh climates.

The best-preserved ancient theater in the world.

Mausoleum and Holy Seat of Antiochus I of Commagene.

Flames have been burning within this mountain for more than 2,500 years.

Roman ruins, natural methane fires and a lovely beach.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Ottoman-era houses lovingly preserved.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Naturally protected city carved from a rock face.

The ornate miniature mansions were built for Istanbul's feathered residents.

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

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