Ah, Vegas. The City of Lights. Sin City. Gambling Capital of the World. In case you've been under a rock, The City of Las Vegas is a major resort city known not only for gambling, but also shopping, nightlife, and fine dining. It's The Entertainment Capital of the World and can be overwhelming if you don't know what to do, where to go, how to get there, what to eat, or what to wear. There are a ton of apps dedicated to helping you out when you're there, so check out our list of the best Las Vegas app for iPhone.