EARTH - Rare, spectacular photos show the Grand Canyon filled to the brim with fog

National parks always make for great nature porn, but the photos taken at the Grand Canyon this weekend are uniquely breathtaking. In what the Grand Canyon National Park, on its Facebook page, referred to as a "once in a lifetime, outstanding, crazy, amazing, mind blowing" temperature inversion, the gorges on Friday filled entirely with rolling clouds of fog. About 4.17 trillion cubic meters of it ...

http://www.salon.com/2013/12/02/rare_spectacular_photos_show_the_grand