The pairs of photographs in this book, dating back to the 1800s, depict an array of subjects. The images appear to be the same but they're not.

This book challenges your power of observation. Two or more pictures that seemingly are identical are presented on the same page, but subtle changes have been m

Glance at the two photos and they look identical. But a careful search through the intricate details of these carefully composed photos will turn up small diffe

How long will it take you to finish all the puzzles? Inspiring, beautiful and creative. These urban artworks collected for your enjoyment. Study the pictures to

A collection of picture puzzles including spot the difference, identical images, missing pieces, and mixed up images.