Opened 30 years ago this summer (as the largest hotel in the world at the time), Excalibur epitomizes Las Vegas’ family-friendly, themed-casino era, and its unique and rowdy dinner show—featuring knights battling with swords and jousting on horseback—remains the castle’s quintessential experience. It’s also a helluva lot of fun. Excalibur.com.

Runner-up: Le Rêve