La prensa | Smithsonian exploring great engineering feat that was the Inka Road Fox News Latino The great engineering feat that was the Inka Road, a road network 24,000 miles long and more than 500 years old, is being featured at the first bilingual exhibit mounted by the National Museum of the American Indian, affiliated with the Smithsonian ... Inka Road Remains a Monumental Achievement in Engineering After 500 Years of ... |