This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

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

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

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

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

Remnants of successive wars and Muslim colonialism in the 11th century.

Natural rock formation, or biblical artifact that saved Earth's wildlife two by two?

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

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

This shuttered power plant is now Turkey's first industrial archaeology museum.

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

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

A Turkish monastery tucked into a cliff wall.