The ruins and tombs high in the Andes Mountains of Peru yield valuable clues to lives of the Ancient Incas. In 1995, the Inca Ice Maiden is recovered, one of four human sacrifices found on Ampato. These mummies provide scientists with perfectly preserved time capsules-packed with clues to Inca civilization during the 1400s. Cuzco, the seat of Inca power, reveals the remains of the Inca railroad system and the incredible fortress of Sacsayhuaman. The...