This volume presents a new perspective into the Lost City of the Inca based on science and engineering. The geography, site selection, engineering infrastructure, and the city planning are described with site-specific photography and narrative. The authors provide detailed analyses of the Inca water system, drainage, agriculture, stonework, and construction methods. The background on the comprehensive technology transfer system utilized by the Inca engineers is given in terms of their cultural heritage. An amply illustrated walking guide and detailed map makes Machu Picchu and its environs a reality for engineers and non-engineers alike.