Visitors flock to the glorious Inca citadel of Machu Picchu, yet this feted site is just a flash in a 5000-year history of Peruvian settlement. Explore the dusty remnants of Chan Chan, the largest pre-Columbian ruins in all the Americas. Fly over the puzzling geoglyphs etched into the arid earth at Nazca. Or venture into the rugged wilds that surround the enduring fortress of Kuélap. Lima’s great museums reveal in full detail the sophistication, skill and passion of these lost civilizations.