1000 Pieces Nascar Photomosaic Jigsaw Puzzle NASCAR has now grown to become the second-most viewed professional sport in terms of television ratings inside the U.S., ranking behind only the National Football League. Internationally, NASCAR races are broadcast in over 150 countries. NASCAR claims to hold 17 of the top 20 attended sporting events in the U.S., and claims 75 million fans who purchase over $3 billion in annual licensed product sales. Size: 15 x 15 inch, art by Robert Silvers