FilmForce: Pirates of the Caribbean: At World's End: Provides news, articles, and photos.
IMDb: Pirates of the Caribbean 3 (2007): Plot outlines, cast overview, trivia, and a message board.
MovieWeb: Synopsis, news, and an interview.
Rotten Tomatoes: Pirates of the Caribbean: At World's End: Articles, synopsis, cast and crew lists, links, and a forum.
Wikipedia: Article with a plot outline, and production notes.