Spanish colonizers built a new city directly over the remains of the Inca capital in an attempt to suppress native identity ...

The discovery of a vast Inca tunnel system beneath the historic heart of Cusco has turned a whispered legend into mapped stone. After centuries in which locals spoke of a hidden labyrinth running from ...

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 ...

I saw the evidence of Inca engineering skill in the tour that took me to Machu Picchu.Only in hindsight, when I was preparing to write about it, did I begin to fully appreciate the Inca Empire's ...