Throughout history, mankind's ingenuity has pursued better ways to kill enemies and win wars. But hidden by our more famous inventions lie some highly unusual, sometimes unbelievable efforts. This special reveals the most absurd, ridiculous and radical examples of warfare ever recorded. Moving from ancient times to the present, we'll discover a host of weird weapons -- from blankets covered with small pox to serpent bombs and toxic honey. Some have proved to be useless while others proved devastating.