In Building Pharaoh's Chariot, a team of archaeologists, engineers, woodworkers, and horse trainers join forces to build and test two highly accurate replicas of Egyptian royal chariots. They discover advanced features, including spoked wheels, springs, shock absorbers, anti-roll bars, and even a convex shaped rear mirror. By driving the pair of replicas to their limits in the desert outside Cairo, Nova's experts test the claim that the chariot marks a crucial turning point in ancient military history.