For centuries, the vanished Inca fortress of Ancocagua existed only in lore. Now, at a mountaintop site in Peru, researchers are zeroing in on a discovery that could reshape what we know of the empire ...

Pisac Ruins, located in Peru’s Sacred Valley, showcase the remarkable engineering of the Inca civilization with their ...

The Inca Empire stretched roughly 2,500 miles along the Pacific coast of South America and ruled as many as 12 million people. From Cusco, nearly 11,200 feet above sea level, the Inca controlled ...

The Inca Empire in South America, one of the most powerful pre-Columbian societies, was known for many innovations — such as the architecture of Machu Picchu, an extensive road network, and a system ...