Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

Large miniature theme park with 100-plus models.

The most metal church of all time was built in record time because of an international, pious pissing contest.

The best-preserved ancient theater in the world.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

1513 Turkish world map, full of European state secrets and snarky commentary.

Roman ruins, natural methane fires and a lovely beach.

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

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

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

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

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

A marvel of Byzantine engineering under the streets of Istanbul.

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