After a nearly three-decade reign, the legendary Pharaoh Khufu is dead. Which of his many sons will succeed the builder of the largest pyramid in history? Today, Egyptologists believe the turmoil of succession after the king's death may help solve Egypt's most enduring mysteries: the riddle of the Sphinx. Join us as we attempt to answer who built one of the ancient world's greatest icons by examining the lives of Khufu's sons, Djedefre and Khafre, and sifting through stories of murder and power worthy of Shakespeare.