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 ...

Hiking the evocative Inca Trail to majestic Machu Picchu is one of the most famous and celebrated experiences in Peru, if not the entire world. But too often, famous translates to crowded. To manage ...

THE OLDEST LIVING CITY IN THE AMERICAS. THIS IS CUSCO, PERU, THE CAPITAL OF THE INCAN EMPIRE. IT’S ALIVE AND IT’S UP THERE AT 11,000FT. THE ELEVATION IS MORE THAN TWICE AS HIGH AS DENVER. BUT ...

Beneath the stone-paved streets of Cusco, a city layered with centuries of Andean and colonial history, researchers have ...