26 minDocumentary
Ancient Egypt Mysteries Ranked: Which Ones Are Actually Unsolved?
Fifteen famous ancient Egypt mysteries ranked from solved to genuinely open, each with a verdict based on the evidence.
Step into the role of Khufu's chief builder and test the theories against the evidence.
Nobody knows exactly how the Great Pyramid was built. What we do have are hard limits: about 2.3 million blocks, a reign of roughly two decades, a workforce housed and fed beside the plateau, the logbook of Merer recording boats carrying Tura limestone to Giza, and a Khufu-era hauling ramp at the Hatnub quarry. The lab turns those limits into a simple capacity model. Every course of stone waits for its slowest step: quarrying, hauling, traffic on the ramp, or space to set blocks at the top.
Try the five ramp theories with the same workforce and watch which constraint takes over. Near the summit the work slows because there is little room to set stone, not because the blocks get heavier. The results describe a simplified model with stated assumptions; they do not prove how the pyramid was built.
For the full story of the building site, read about the Great Pyramid, theGiza Plateau and Khufu, or playRise of Waset, our city-builder on the Nile. A thousand years after Khufu, the kings gave up pyramids for hidden tombs: explore them on the Valley of the Kings 3D map.
Documentary · 21 min · 4 Oct 2026 · 10 chapters
One casing block followed from the Tura quarries to the Great Pyramid, with the evidence each stage left behind, from Merer's logbook to the workers' town.
Playlist: Ancient Engineering