The historic Western town area at Paramount Ranch in Agoura Hills, California, where productions including Westworld have shot, has burned down in the Woolsey fire, according to the Santa Monica Mountains National Recreation area's Twitter feed.
Westworld uses the Western town set to shoot its Main Street scenes.
HBO said in a statement, "Paramount Ranch was one of the locations used during seasons one and two of Westworld, in addition to the primary location at Melody Ranch in Santa Clarita. Westworld is not currently in production, and as the area has been evacuated, we do not yet know the extent of the damage to any structures remaining there."
Now part of the National Park Service and open to the public, the ranch has been the site of numerous productions throughout the years and was first started by Paramount Pictures in 1927.
Among the films that shot at the ranch were Caught in the Draft with Bob Hope, The Lake House with Sandra Bullock, and TV shows including The Mentalist, Weeds and Quickdraw.
Dr. Quinn Medicine Woman shot there from 1992 to 1997. Before the area was a public park, it was used for car racing in the 1950s as the Paramount Raceway, which was portrayed in the film The Devil's Hairpin.
The Malibu, Calabasas and Agoura areas are all under evacuation due to the fast-moving Woolsey fire, and numerous entertainment figures have been forced to leave the area, battling massive traffic jams.