Spot-the-Difference Masterpieces: 40 Eye-Bending Fine-Art Puzzles

These eye-bending visual puzzles will challenge your wits and reward your love of art.
Great paintings, with their beautiful and sometimes hidden details, deserve a closer look. So open your eyes and see if you can spot the differences in each of these 40 ingenious fine-art puzzles. Every spread features two versions of a famous masterpiece—the original on the left and one with 20 subtle changes on the right. That comes to 800 changes altogether! So lose yourself in the iconography of Rena...