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 ...

Six structures and devices from the ancient world continue to resist full technical explanation, even as advanced imaging, ...

NOVA: What was your first impression of Machu Picchu? Ken Wright: When I arrived in 1994, my first visit ever, I was blown away by the view of Machu Picchu itself and also by the surrounding territory ...

Machu Picchu, the iconic Inca citadel in Peru, is celebrated as one of the world’s greatest wonders for its remarkable ...

A man attacked the stone with a metal object. Cusco Ministry of Culture An intoxicated man in Cusco, Peru, has defaced a historic Inca artifact known as the 12-angled stone. The carved rock is a piece ...

Karen Klotz, Michael Sanio, ASCE director of International Alliances and ASCE President-Elect Wayne Klotz peer through a reconstructed doorway in the Incan citadel of Machu Picchu in Southern Peru.

British explorer, author, and independent scholar Peter Frost could be called a 21st-century Hiram Bingham; in 2001 and 2002, he led National Geographic Society-sponsored expeditions into the remote ...

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 ...