Everyone loves a mystery! Look at the photos below and discuss who might have left these clues behind for others to discover. When you take a walk, look for signs of visitors along your way. Sharpen observation skills as you engage your senses. Never lose your sense of wonder!

Introduce this activity with the following picture book, and then make your own book with photos you capture. Other books in this series include, In the Woods: Whose Been Here? and Around the Pond: Who’s Been Here?