7 tales of cities lost or found
The site, Machu Picchu, is popularly known as the Lost City of the Incas. What exactly the city was, however, remains a mystery. Scholars have variously theorized it was the birthplace of the Incas, a private estate, and a spiritual destination.http://www.nbcnews.com/id/32086737/ns/technology_and_science-science/t/tales-cit...






