You can find the answer at www.noradsanta.org. You see, every year, NORAD, the North American Aerospace Defense Command, tracks Santa's journey from the time he lifts off from his Arctic village to his final stop in Hawaii at the end of a looooooooong night. You can join the ride at Noradsanta.org or try m.noradsanta.org if you prefer to do your Santa tracking on a mobile phone. You'll also want to subscribe to the NORAD Tracks Santa YouTube channel, which will contain videos of many of his stops around the world, all captured by NORAD's Santa Cam network.
Take a peek at the fun that ensued last year and brace yourself for 2009's merry ride: