An ancient capital city that dates back 3,000 years old and harbors many surprises.

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

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.

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

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

A marvel of Byzantine engineering under the streets of Istanbul.

The most visited, and possibly most controversial, museum in Germany.