Are you looking for something very groovy to do? Let me rephrase that; are you looking for something very groovy and very free? Now that I've got your attention... A gigantic saltwater fish tank smack dab in the middle of the casino. They have sting rays aplenty. They even have a mermaid. Check out their website for feeding times. It's fun for the whole family. Did I mention that its very groovy and very free? Live It Up You Are In Las Vegas For Cryin' Out Loud!