The horror genre has a long history of captivating audiences, and some films have risen to become the highest-grossing in the genre. The 15 highest-grossing horror movies of all time have left an indelible mark on cinema. Topping the list is Stephen King's "It" (2017), with its spine-chilling clown terrorizing Derry, Maine. Following closely behind is Jordan Peele's "Get Out" (2017), a social thriller that redefined the genre. Classics like "The Exorcist" (1973) and "The Sixth Sense" (1999) also make the list. These films demonstrate that horror can be a lucrative and enduring genre, with fans eagerly embracing the scares and suspense they offer.