It was the largest hotel in the world until the opening of the nearby MGM Grand in 1993. Construction began in October 1988, and the resort opened on June 19, 1990. Bennett and the design team traveled to castles throughout Europe for inspiration. The castle theme was conceived by company founder William Bennett, and the resort was designed by Veldon Simpson. The $290 million property was developed by Circus Circus Enterprises.
Property features include a 92,389 sq ft (8,583.2 m 2) casino, a 28-story hotel with 3,981 rooms, and various restaurants. The resort features a medieval castle theme and is named after King Arthur's mythical Excalibur sword.
It is owned by Vici Properties and operated by MGM Resorts International.