This year's Oscar nominations came out today, so we'll reminisce with a look back at past Best Picture winners. The awards date back to the late 1920s, so there's a lot of ground to cover. There are many great choices, so unless you pick "The Greatest Show on Earth" or something like that, you can't really go too far wrong. Any ranking would be subjective, but here's one attempt at the Top 10 Best Picture Winners. Give your opinion in our online poll and comment section.