Were the Egyptians in our modern history really the first advanced civilization to ever occupy the Nile Valley? Do uncovered skulls with elongated shapes hint at otherworldly beings in Earth’s past? What did archaeologists stumble upon that point to the Sphinx and a hidden treasure? And is there evidence of technology in Egypt’s past that was much more advanced than our own? Join Edge of Wonder for this Ancient Civilizations episode on the mysteries of the Sphinx and more.