ArtPrize, in Grand Rapids, Mich., is the world's largest international art competition. Artists and venues self-curate, and winners are selected by a combination of public vote and professional jury. In 2012 more than 412,000 votes were cast to select the panel of winners who received a share of $560,000. More than 400,000 people from around the world visit ArtPrize during the 19-day event.