Temecula has lots to offer more than great wineries, hot air balloon rides, delicious restaurants and a quaint and rustic Old Town.   It also boasts the largest casino floor in the West Coast; Pechanga Resort Casino. Located just off Highway 15 this resort has just undergone a $300 million expansion.  Pechanga Resort Casino Multiple hotel rooms have been added, as have more parking lots, a stunning 4.5-acre swimming pool complex with rentable casitas, poolside swim-up bars ...