Even if you don't gamble, you must visit Las Vegas for the sheer magnitude of the architecture in the city. The designs are so intricate and well built, sometimes you forget where you are. Take, for example, the Venetian. It has so exactly the feel of Italy, you would swear you were in Venice! I recommend taking a walk through as many of the casinos as possible and eating in a few restaurants. You will feel as though you have traveled around the world by the end of your trip!