Leonardo da Vinci was the original Renaissance Man — master of science, master of the arts, master of war. His revolutionary designs were the most advanced weapons of their day and were capable of unparalleled destruction. Yet no proof exists that they were ever constructed. In Doing DaVinci a team of expert builders will try to construct these unique inventions using only materials available in da Vinci's own time. It's a modern twist on the classics, but will these outrageous machines work? Or were Leonardo's genius ideas better left in the history books?