Whether you’re walking along a city sidewalk or hiking deep in the forest, you might occasionally notice paint marks on tree trunks (or even a metal band once in a while). Those paint marks are codes ...

You may be lucky enough to live in or visit an area that has a variety of trees. What's perhaps even more surprising are the different paint colors you might see on trees in both rural and suburban ...

Add Yahoo as a preferred source to see more of our stories on Google. Purple paint on tree - Eucalyptys/Getty Images Many people have noticed purple markings on trees in their area, but the ...

If you have ever been hiking, there is a good chance that you have run into some sort of paint markings on trees. But while certain colors are often used to guide you along a designated path, paint on ...