Product: Secrets of Machu Picchu (Archaeological Mysteries)
Soar into the mountains of Peru to discover the archeological wonder of the abandoned city of Machu Picchu. Why did the Incas leave the site? And what was it used for? Travel along with scientists to find out how their discoveries shed light on the mysteries surrounding the Lost City of the Incas. Unlocking the secrets of the past is just an artifact away!

Search query: the lost city of the incas
Relevance: Substitute