The Inca Empire became the largest civilization in the Americas, stretching across vast and dangerous mountain terrain.
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 ...
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 ...