Machu Picchu takes readers inside the Lost City of the Incas for a groundbreaking perspective never before seen by tourists or archeologists. Built high in the Andes on a seemingly impossible site, Machu Picchu stands as a testament to Early Native Americans and their ability to plan and build. How was it possible to create a mountain-top city complete with running water, drainage systems, food production, and stone structures so advanced they have endured for over 500 years? Wright and Valencia Zegarra explain these and other mysteries, based on their original engineering and...