We don't know where exactly Hannibal crossed the Alps with his elephants. Scientists are trying to figure out, through DNA analysis of very old dung.
Extra Credits (Previously,  ) was recently approached by Creative Assembly, the team behind the Total War series of games. With Total War: Rome II coming out and Creative Assembly determining what to do with the remainder of their marketing budget, they decided to finance Extra Credits on doing a history of the Punic Wars. Extra Credits gladly accepted, of course, and has now completed the saga. Extra History: The Punic Wars (2, 3, 4)