Admit it, we've all thought about committing the perfect heist: that one smooth score where a bit of planning and guts delivers more money than most people make in a lifetime.

Some people though, they actually go through with their plan — stealing a load of diamonds, speeding on Bonnie and Clyde car chases, or military customs clerks smuggling millions home from war.

The following heists proceed from those requiring the least amount of chutzpah to the one requiring more guts than we can imagine.