Halloween Special: Monster-Size Houses

With Halloween just around the corner, this week we thought we'd show you some genuine monsters. Not the scary-boo kind; the scary-big kind. What these Godzilla-sized residences lack in creepiness, they more than make up for in terrifying square footage.

With help from the folks at Realtor.com, we've managed to dig up some of the most gargantuan listings currently on the market. They include a Strangelovian secret atomic lab and some castles that even Dracula would envy. Though the scariest thing about these places may be the price.

Click through our gallery to tour some monstrously large houses.