Evidently they do things a bit different in the Great White North. A member of the Montreal Les 4 Chevaliers, a canadian Softball version of the Harlem Globetrotters, set up in the left handed batters box as a right handed hitter and proceeded to hit a home run swinging 'backwards'... here is an article and, more importantly, VIDEO. Pretty cool 'stupid human trick'.
(I can't figure out how to post the video from the link, sorry. If you click the link there is a video.)