The wonders of nature are endless, like being able to assemble a 500 piece puzzle in one of the most challenging motifs - the breathtaking beauty of a glacier. A jigsaw puzzle is a tiling puzzle that requires the assembly of often oddly shaped interlocking and tessellating pieces. Each piece usually has a small part of a picture on it; when complete, a jigsaw puzzle produces a complete picture. Jigsaw puzzles are the perfect activity for those moments when you just want to unwind and relax.