Horror films have been a part of our psyche and a Hollywood money-spinner for almost a century, starting with "Dracula" and "Frankenstein" - both released in 1931.Whether it's the thrill, the chill or the ample blood spill that draws audiences to the macabre movie experience, few can deny moviegoers' morbid fascination with fear. Over the past four decades, we have witnessed the terrifying yet timeless roles of Jigsaw, Jason and Freddy, mixed with a rising trend in psychological thrillers. Whatever it is, there is no doubt that these bone-chilling behemoths have made big money once they hit the box office. Click ahead to see the top 10 highest grossing horror film franchises of all time