Explore Lima’s wonderful museums and visit the famed Cathedral of Lima and the Archbishop’s Palace on the city’s majestic main square. Take a flight to Machu Picchu, known as the “Lost City of the Incas” and South America’s most intriguing archaeological site. Built in the 15th century by the Incas and perched 7,875 feet above sea level, this extraordinary UNESCO World Heritage Site features stone buildings once used as temples, sanctuaries, homes and water fountains. Also enchanting is the colonial city of Cuzco with its majestic Plaza de Armas and the ancient Incan fortress of Sacsayhuaman.