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.

This Peruvian city was discovered over 100 years ago, but archaeologists are still trying to solve the mystery of its purpose ...

Machu Picchu, the iconic Inca citadel in Peru, is celebrated as one of the world’s greatest wonders for its remarkable engineering, breathtaking mountain setting, and rich historical significance.

LIMA, Peru — Peruvian officials have announced a plan to construct an elevator to access the famed "lost city" of the Incas, Machu Picchu, in an effort to bolster tourism to the No. 1 visited site in ...

Part 2 of Engineering the Inka Empire: A Symposium on Sustainability and Ancient Technologies Kenneth Wright and Ruth Wright examine the Inka road system in the vicinity of Machu Picchu. Here, the ...

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 ...