But if you're trying to find the best gambling experience, Massachusetts is not where to look. That's because, though Massachusetts does have any excellent casinos, they are far from the top. As an instance, among the greatest casinos in Massachusetts is the Bellagio. Bellagio properties include the Venetian, the Bellagio, the Monte Carlo, and the Forum. Additionally, the Bellagio is home to the Jackpot, one of the biggest slot machines on earth.