Cinematographer Stephen Locke took timelapse video of a series of supercell thunderstorm outbreaks near Climax, Kansas on May 10, 2014. You've probably seen these storms, but not like this; the timelapse perspective lets you see the raw power in the air (and I'm not just talking about lightning strikes). Set this to fullscreen and enjoy:
You can read a bit more about what's going on there from Phil Plait over at Slate.
And if all this storm business has left you a little freaked out, here's a beautiful sunset photographed by the same fellow: