The courthouse square and clock tower appear once again, as the events of the original film overlap with a new timeline. Today, it can be seen once again as part of the Universal Studios Tour, but this area frequently hosts productions and the site is routinely closed off from the tours.
The house can be found in Pasadena. Known as the Gamble House, it is a National Historic Landmark and museum, which is open to public tours. The interiors were filmed on a set built on the Universal lot. Much of the film takes place in the Old West.
The drive in theater scene was filmed in Monument Valley, Utah, while the scenes were filmed on a set built at the Red Hills Ranch near Sonora, California, with additional scenes filmed in Oak Park and Jamestown, California. Doc and Marty devise a plan to push the Delorean with a train, in order for it to reach the necessary speed to travel through time. Marty successfully arrives back in at these train tracks, located in Port Hueneme, California, about 60 miles northwest of Los Angeles.
Late in the film, Marty house appears once again as he confirms his family has returned to normal. The house can be found in Pacoima. The home can be found in Monrovia. The film makes use of several locations from the first film, revisiting many of them from the perspective of an alternate timeline. Marty and Doc drop her off at her house, which can be found in Monrovia. Marty discovers that life in has been altered and his home town is now a dangerous area. The auditorium of Whittier High School can be seen behind him.
Marty comes across the home of Mr. Strickland, which can also be found in Whittier. The exterior of Whittier High School once again serves as Hill Valley High School, which is primarily seen from the back of the school. This tunnel is featured a couple times in the film as Biff makes his way to the dance. Near the end of the film, Biff and Marty fight over an almanac from the future. Marty rides a hoverboard as Biff tries to elminitate Marty in the tunnel.
