Machu Picchu is high in the Andes Mountains of Peru, and Peru is one of South Americas most magnificent and authentic countries. Machu Picchu was once a royal palace built by an Incan ruler. Machu Picchu sits like a mysterious city eight thousand feet above the sea. Peru??s most famous site, Machu Picchu, is more than Peru??s. Machu Picchu is one of the wonders of the world with its two hundred buildings and cloud covered beauty. About twelve hundred people lived in Machu Picchu, and Peru has done an exceptional job of preserving Machu Picchu. Professional Inca architects built Machu Picchu with granite blocks and bronze tools. The Inca architects at Machu Picchu were so advanced that the thinnest of knife blades can’t be forced between the stones.