The classic Christmas comedy "National Lampoon's Christmas Vacation" was filmed in several locations around the United States. The majority of the film was shot in the Los Angeles area, with specific locations including Pasadena, Altadena, Burbank, Glendale, and North Hollywood. The Christmas tree farm scene was shot in Pine Valley, California. Additionally, some scenes were filmed in Chicago, Illinois, including the exterior shots of the Griswold's house.