Paramount ranch was built in 1956 to facilitate road racing close to Los Angeles. The 2 mi track was designed with input from Ken Miles, and only played host to seven events before being shut down forever. now there is very little left of the track and it sits in the old Paramount ranch which is now owned by the national park service. you can still see some remnants of the track, and you also get to see some set pieces from shows like Westworld.