The Hollywood film industry is based in Los Angeles and is known for producing the most commercially successful films globally. It offers a wide variety of genres including romance, action, adventure, animation, science fiction, horror, and others. Hollywood films are popular worldwide due to their high production values, skilled screenwriters and directors, big budgets, international distribution, and focus on visual effects, sound design, casting, and storytelling. Some of the top-grossing Hollywood films of all time include Avatar, Avengers: Endgame, and Titanic. Major film distributors in Hollywood include Walt Disney, Warner Bros., Sony Pictures, and Universal Pictures.