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

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.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

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

The ancient latrines of the Greeks, in all their public glory.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

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

Roman ruins, natural methane fires and a lovely beach.

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

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

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

Roman ruins top white travertine terraces formed by ancient hot springs.

Mediterranean castle on a tiny Turkish island.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

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

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

What is left of the pillar of Saint Simeon, the voluntary martyr who climbed the column to give his sermons, remaining perched there for thirty-seven years.

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

A sacred lake with thousands of sacred carp and a biblical history.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Mausoleum and Holy Seat of Antiochus I of Commagene.

Balanced on four stone pillars, this historic tower was the site of a tragic political assassination.