This is a great casino in Black Hawk, Colorado, USA. Great casino destination in an old gold mining town. Approx 25 casinos together between adjoining towns Black Hawk/ Central City. I have played at Monarch many times. Though my wins were <= $500K, as best I recall.
https://krdo.com/news/2023/03/28/black-hawk-casino-heist-is-largest-in-colorado-history/
Continued Success,