1. The Doomsday Machine — Dr. Strangelove (film)
The aptly named "Doomsday Machine" was one of the uncredited stars of Stanley Kubrick's Dr. Strangelove. Its purpose? Delivering a retaliatory nuclear strike on all mankind in the event of an attack on Soviet soil. All it took was a broken radio and one bomb-riding cowboy to set it off.









"Now heightened audience cynicism has forced world-ending devices into the realm of camp, and except for a new breed of superhero movies, they've largely been replaced by natural disasters or apocalyptic sci-fi scenarios in Hollywood films."