What is where was donnie darko filmed?

Donnie Darko was filmed in various locations in California, primarily in the cities of Los Angeles, Long Beach, and Santa Clarita. The majority of the movie was shot in and around Los Angeles, including at the famous Griffith Observatory, while other scenes were filmed in Long Beach, Santa Clarita, and in Orange County. The production company also used several studio sound stages in Los Angeles during filming. The film's stark and surrealistic cinematography gives it a uniquely haunting quality that lends itself to the film's eerie narrative.