Review for Casino Grand Prix - R�vala Review For Harrah's Philadelphia Google User Feb 11 '18 at 18:45 Even though it’s right next to a prison...and I do mean RIGHT next door which is a Little unnerving, it’s a nice clean casino. They have horse racing as well as a great variety of slots and table games. I wouldn’t stay the night or be there after sundown but During the day it seems to be okay. View full site to comment or like