If you find yourself in a creative slump, scientists have a suggestion: take a walk.
http://www.latimes.com/science/sciencenow/la-sci-sn-creative-walking-study-20140425-story.html

“Walkers had more thoughts, but they also had a higher density of creative thoughts than sitters,” said one researcher. Above, hikers in the Antelope Valley Poppy Preserve near Lancaster. (Al Seib / Los Angeles Times)