W.E.
it's been a few years since i went, but they had a free show outside in water with pirate ships and pirates at treasure island, and then theres the lights and fountain show at the bellagio (i think) thats free and then the inside of the mall at caesar's is really cool, the ceiling is painted like the sky. just walking around inside and out of all the different casinos will keep you entertained. i walked around with my mouth hanging open for four days straight. it's to bad the star trek experience closed, that was really awesome. go to the different casinos web sites and see what they say. have a blast!!!