The best reason to travel is to party. I love going to a new city and experiencing the nightlife, the music, the food. Finding the local attractions or the "best hamburger" or "best breakfast" in town is always a treat. So to this end here is a list of the best party cities in the world. Now you have no excuse to get yourself down to the nearest one and take your enjoyment of life to a whole new level. Did I miss your favorite party city? Let me know what it is in the comments section.