Ancient Peruvians used bird guano to fertilize maize and build a major civilization in the Chincha Valley in Peru.

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 ...

A deep exploration of Killarok (Kia Rok), the mysterious “Stones of the Moon” outside Cusco, Peru, examining an intricately ...

For nearly five centuries, something ancient has waited beneath Cusco, Peru’s cobblestone streets. While tourists photograph ...

ANTH copy 39088019656784 gift from Paul R. Julian. Introduction -- Discovering the Incas and their predecessors -- Native and Spanish sources -- Explorers and the first archaeologists -- 20th-century ...

Journey high into the Andes Mountains to discover the secrets of the ancient empire of the Inca, a civilization that rivaled the Roman Empire, yet rose and fell within 100 years. The Inca were ...

Despite its relative proximity to the Pacific Ocean, South America’s Atacama Desert is so arid that scientists use it to simulate conditions on Mars. Yet a thousand years ago, farmers grew crops there ...

The famed “Band of Holes” known as Monte Sierpe in the Andes of Peru have puzzled scientists for a century. New research suggests the holes were the site of an ancient marketplace. The Inca rulers may ...