WestWorld of Scottsdale, popularly shortened to WestWorld, is a multi-use events facility in Scottsdale, Arizona. Westworld annually hosts the Barrett-Jackson Classic Car Auction as well as conventions, trade shows, concerts, equestrian shows and other events. It is located on 386 acres at the base of the McDowell Mountains. It was built in stages starting in 1987 on land owned by the United States Bureau of Reclamation and consists of the following facilities: The complex also contains various paved and unpaved parking lots for event parking.