Some government screw-ups are so epic that they require decades of effort. Such was the case for the recently cancelled plan to convert surplus weapons-grade plutonium into nuclear fuel. Not only did the U.S. waste $4 billion dollars, it increased the likelihood that terrorists could obtain bomb-making materials.

When you're a hammer, every problem looks like a nail. And if you have several thousand nuclear warheads just lying around, it seems a shame not to put them to good use. Here are ten of the most bizarre proposals for nuclear bomb use over the decades.