The Great Pyramid stands today as the last of the seven wonders of the ancient world. Yet, everything about it is shrouded in mystery. Did the ancient Egyptians discover the secrets of complex mathematics, astronomy, geology, and the construction arts? What's behind the secret door found in the Great Pyramid? And why hasn't the door been opened a decade after its discovery? Could there be a secret chamber behind the door containing a storehouse of knowledge from ancient times...or even another world? You'll learn the answers in this amazing show.