Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

This legendary city has been a tourist attraction for centuries.

This remote mountain shrine is one of the most sacred Zoroastrian temples remaining in the world.

The palace of the King of Kings, burned by Alexander the Great.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

Two Chinese dragons guard the caves of this medieval temple in Iran.

9th century Abbasid mosque, damaged in modern warfare.

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

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

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

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

Ottoman-era houses lovingly preserved.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus.

One of the most exquisite Lycian hilltop citadels in Turkey.

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

A deadly ancient portal to the underworld.

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

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

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

These ruins once flourished as the capital of the Lydian kingdom, often credited with the invention of metal coinage.

This famous city eluded concrete detection until the early 2000's.