For more than 4,500 years, the Great Pyramid of Giza has stood as the tallest and most mysterious structure ever built by humankind. How an ancient civilization moved millions of stone blocks and created a monument on such a colossal scale has long baffled historians and engineers. This documentary reveals groundbreaking discoveries that are finally rewriting the story of how the Great Pyramid was built. From the oldest papyrus ever discovered, written by a pyramid inspector named Merer, to the excavation of a mysteriously buried wooden boat at the foot of the pyramid, archaeologists are uncovering astonishing new evidence.