Great horror movies - and great movies period - can come in many forms, but often they'll be films so stunning, so affecting, and so downright entertaining that they'll immediately enter your regular viewing rotation. But not all great movies are created equal, and sometimes a film can be an absolute banger while also being a film you never, ever want to sit through again. In the non-horror stakes, we might cite Darren Aronofsky's masterful Requiem for a Dream, for instance. Whatever the reason, these 20 terrific recent horror films are also unlikely to be revisited by most, save for their most utterly die-hard fans of course. And yet, they make enough of an impression, embedding themselves deep in your psyche, that one viewing has basically got you covered for life...