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 ...

A road that is 3,000 years old and spans the length and breadth of the Andes mountain range in six countries finally got the recognition it was seeking as a heritage site protected by UNESCO, the U.N.

The Inca had no written language, no draft animals, no metal tools and no wheeled vehicles. Yet, at its peak the empire had absorbed 100 indigenous nations and had a population of more than 10 million ...

Can modern engineers learn best practices from ancient road builders? Modern road construction often relies on modifying the landscape by blasting through rock, which can result in landslides. Because ...

“If you’re just beginning your journey,” a friend advises Muller in this account of her travels through South America, “then you might want to get a shaman’s blessing or maybe consult a seer who can ...

A new exhibit at the National Museum of the American Indian highlights the engineering prowess of the Inca, whose great road once spanned... For Inca Road Builders, Extreme Terrain Was No Obstacle One ...

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A suspension bridge made of twisted plant fibers stretches high above the Apurimac River in Peru. Local residents, descendants of the Inca, have been making bridges like this for some 500 years.