Perhaps the most spectacular ruin in the Americas, Machu Picchu is an ancient Incan fortress city in Peru. Once the retreat of an Incan ruler, the terraced city is perched upon a narrow saddle between two sharp peaks high in the Andes Mountains and sprawls across 5 square miles (13 sq km). Rediscovered in 1911, it is one of the largest and most intact pre-Columbian sites yet found and contains rare examples of religious monuments. What does “Machu Picchu” mean in the Quechua language? Discuss