The discovery of a vast Inca tunnel system beneath the historic heart of Cusco has turned a whispered legend into mapped ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. View of Machu Picchu, a 15th-century Inca citadel located in the ...

Members of the public regularly get in touch with Charles Stanish, an expert on Andean cultures at the University of California, Los Angeles. Two years ago, Stanish received a call from a man in ...

A series of about 5,200 holes stretching nearly a mile (1.5 kilometers) across the Pisco Valley in the southern Peruvian Andes has baffled researchers for nearly a century. But a fresh look at the ...

"It's been 16 years since I started doing this," recounts Johan Reinhard, easily the world's leading high altitude cultural anthropologist and archaeologist. "I began very much interested in ...

Archaeologists found two 500-year-old quarries in the Cañete mountains and a trail network used during the final stage of the Inca empire, photos show. Photo from Qhapaq Ñan Project Atop some ...

NARRATOR: High in the Peruvian Andes, there's an ancient city called Machu Picchu. It is a ruin that defies explanation. Who were the mysterious people who built it and why did they build it here?

Cuzco, I decided, had to be the gayest city in South America. Everywhere I turned were rainbow flags. They fluttered in front of banks, in hotel lobbies, in restaurants, atop government buildings.