Find the Hart Puzzles Yellowstone National Park by Kate Ward Thacker 1,000 Piece Jigsaw Puzzle at Michaels.com. The first national park in the US, Yellowstone National Park spans an area of 3,468.4 square miles comprising lakes, canyons, rivers and mountain ranges. This wonderful locale is commemorated in the beautiful stickers, patches and cards in this puzzle by artist Kate Ward Thacker.