Villains have the coolest hiding places. Dr. Evil retreats to his Secret Hollowed-Out Volcano, Sauron lives on in Barad-dûr, and not to mention Darth Vader and his amazing Death Star -- I mean, come on, a headquarter the size of a small planet? That's freaking cool. Here's a list of 40 of the most infamous villain hideouts, arranged according to size. For the full list with hover-over details, visit Movoto Blog.