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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Several maple trees with white trunks - By Eve Livesey/Getty Images You may be lucky enough to live in or visit an area that has a ...

It's not unusual to spot markings on trees while walking through wooded areas, but one color, in particular, may catch your eye. While the meaning can vary slightly based on region or landowner intent ...