Historical or otherwise. Not so that you can change history, but to instead see first-hand how it played out. You could witness the raise of Christianity through the eyes of an Apostle, or be the first human being to walk on the moon. You could choose to live the life of the inventor of Chapstick or Facebook, or fire or nuclear energy or rock-and-roll. Or become ruler of civilizations, discoverer of new lands, leaders of rebellions or freer of slaves. Experience the world the the eyes of a legendary artist or celebrated icon. So many awe-inspiring options, but which would be your first choice if you were to be given a mulligan or your choosing?