I have always been fascinated by people that survived extreme situations. I always wondered how long I would be able to survive if I was lost on a snow covered mountain or ledge locked on a cliff or trapped in the middle of the ocean on a raft. The answer is – It depends. It all depends on how prepared you are for the situation, or even how lucky you are. The simplest of things could end up saving your life, like a nail or a piece of string. It was surprising to learn that almost all the people from this list were rescued just in time accept, in my opinion, the longest survivors. Thousands of people have been lost at sea, never to be seen or heard from again, but yet, there are a small handful that survive against every odd. One of the basic rules of survival is 3 hours without shelter, 3 days without water and 3 weeks without food. Could you prove this rule wrong?