Western flicks have been cattle-roping since the invention of the movie camera. So it's no surprise that sometimes they get a bit stale. Every so often, filmmakers jump into the genre with a little extra spice. Only, instead of coriander, they've got zombies, man-eating monsters, and gadgets.

This week, Jonah Hex, based on the DC Comics series, adds a bit of the supernatural to Josh Brolin's archetypal old west anti-hero. Next year, we'll see the release of Cowboys & Aliens. It's no stretch, nowadays, to see modern westerns made with a little fantasical pizzazz, so we put together a short history of supernatural motifs in the genre.