On the morning of July 24, 1911, an enterprising lecturer-explorer from Yale University set off in a cold drizzle to investigate rumors of ancient ... called Lost City of the Inca where the ...

Researchers believe that the tunnel system was an underground representation of the above-ground street network of the ancient Incan city of Cusco. Located about 130 miles from Machu Picchu ...

Here are 26 photos that show why the ancient Incan city has remained one of the most popular tourist attractions in the world for over a century.

The sight before me seemed like something from an idyllic dream—an ancient city suspended above the clouds. After four days of trekking the Inca Trail, I had just reached a pass where I had my ...