The Wizard of Oz <br>A tornado whisks Kansas farm girl Dorothy and her dog, Toto, to a magical land populated by odd characters. <p> Gone with the Wind <br>Margaret Mitchell's "Immortal tale of the old South" has Leigh as Scarlett and Gable as Rhett. The burning of Atlanta was a high water mark for screen excitement. As poet Ogden Nash put it, "The Civil War was quite a fight and not a mere diversion; I never knew how tough it was before [producer] Dave Selznick's version." <p> Casablanca <br>Bogart is jaded idealist Rick Blaine, an American nightclub owner in French Morocco who sacrifices the love of a lifetime to join the world's fight against the Nazis. When the picture debuted, it marked the beginning of a beautiful friendship with generations of moviegoers. <p> Singin' in the Rain <br>A silent-film star loves a chorus girl who dubs his squeaky-voiced co-star in a 1927 Hollywood talkie.