Helen of Troy's Trojan Horse
According to director Robert Wise, "The tremendous beast consumed more than thirty full-grown trees in the building. More than a thousand pounds of nails and a wagon load of screws, wooden pegs and iron rings went in to the construction. The wheels for the platform were eight feet in diameter and two feet thick. The platform itself was sixty feet long. It had built-in benches and an air-conditioning system, otherwise the players who occupied its interiors might have suffered heat-stroke in the broiling Italian summer. Twenty five men occupied the horse's interior. The horse was forty feet high, and weighed, complete, more than eighty tons." Whoa.