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This story appears in the April 2011 issue of National Geographic magazine. On the remote Peruvian island of Taquile, in the middle of the great Lake Titicaca, hundreds of people stand in silence on ...

One of history's greatest engineering feats is one you rarely hear of. It's the Inca Road, parts of which still exist today across much of South America. Fortunately, I have Peruvian archaeologist ...

Huayna Capac had a problem: He didn’t like his hometown, Cusco, in the bracing heights of southern Peru. Unfortunately, Cusco was the center of the Inca Empire, and he was the empire’s supreme ruler.

In the fifteenth and sixteenth centuries, the Inca Empire was the largest South America had ever known. Centered in Peru, it stretched across the Andes’ mountain tops and down to the shoreline, ...