Hint: I had to digitally alter this photo because the sign had the name of the casino on it in big letters twice! I blacked it out. However, I left intact the casino's opening date, listed in the lower right-hand corner, which you can use as a good hint (i.e., it's probably not the Wynn!). I realize that you can read only a few of the headliners' names, but trust me, it's a VERY impressive list--basically anybody who has been anybody in live entertainment in the last, oh, 50 years or so.
Answer: The Riviera