Las Vegas is the undeniable world capital of gambling. Hundreds of casinos, large and small, provide opportunities to play everything from penny slots to the highest stakes table games like poker, craps, blackjack and roulette. It seems like every year there are new plans for another billion dollar hotel casino unveiled. That can be a very good thing for those planning to visit Las Vegas, as more competition usually means better deals for visitors. Doing some online research can be a good way to start planning your next Vegas trip.