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Per the suggestion in the comments box, I scoped out the stained glass windows at the Las Vegas Guardian Angel Cathedral. Sure enough, at the front, to the right of the altar, kinda hidden from regular view, is stained glass with Vegas casinos:

Stained glass window at Las Vegas' Guardian Angel Cathedral pic.twitter.com/6oABNmuUWf

— The Weekly Eudemon (@TheDailyEudemon) November 14, 2018

The old Sands is in this one pic.twitter.com/yNwzzjEQX8

— The Weekly Eudemon (@TheDailyEudemon) November 14, 2018