Quite possibly the oldest love poem known to humankind.

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

Mediterranean castle on a tiny Turkish island.

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

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

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

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

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

This hidden gem is bathed in beautiful natural light.

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

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

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

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

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.

Fantastic lake on the heart of a fault line.

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

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

Mausoleum and Holy Seat of Antiochus I of Commagene.

The largest Neolithic ruins in the world hide a notably clean prehistoric metropolis.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

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

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