The nether regions of the magazine world are truly a strange place. An upcoming book called Bad Mags is a collection of some of the most "strange, bizarre, and peripheral" magazines of the last 50 years—obscure fetish porn, occult titles, true crime, punks, horror, aliens, serial killers. Awesome. We've combed through hundreds of titles to bring you the ten weirdest, dirtiest, and/ or most intriguing magazine covers there are. They're all below—some are NSFW, but all are worthwhile.