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 ...

The city of Cusco seems to hum in anticipation. Villagers dressed in colorful shawls, or chompas, mingle with city-folk and tourists. Processions parade down the cobble stone streets. Horns blare over ...