If I were to do either, it would most definitely be skydiving. To me bungee jumping would freak me out because I would just be waiting for the line to snap, so even if I jumped with a professional we would both just die. In skydiving, I could have like a whole team of people to come with me and unless someone is trying to assassinate us, then somebody's parachute is going to be working even if mine doesn't. Plus I think bungee jumping would be to short of an experience. If I'm going to pay a heft sum I might as well go for the longer and more thrilling experience.