A beautiful view of the bathed in lights fountain in the luxurious interior of the lobby with elevators in MGM Grand Hotel and Casino, Las Vegas, Nevada. MGM Grand is one of the older hotels, located at the northern end of the Las Vegas Strip. MGM Grand was the largest hotel in the world by number of rooms when opened in 1993. The resort complex occupied several buildings, as the main building is 293 ft (89 m) high and has 30 floors with 5,044 rooms.