Now in its ninth year, the Smithsonian Annual Photo Contest has announced this year's finalists after reviewing submissions from more than 13,000 applicants. Categories include photo-manipulation, Americana, the natural world, people, and travel. The Reader's Choice Award is determined through an online vote, with voting closing March 30th, 2012. A user may vote for one photo per day.
For those interested in next years contest, submissions are being accepted until November 30th, 2012.