People say that adrenalin is the most addictive drug on the world. If you feel adrenalin once, you will never stop thinking on it. One of the best way to feel pure adrenalin is definitely skydiving. During the free fall from more than 20000ft, which can take more than a couple of minutes, you are able to feel the biggest excitement in your life. Anyway, if you are not sure that you are willing to jump, look at this amazing photos. Maybe it will make you change your mind ;)