An orange circle painted on a tree in the woods - Mbprojekt_maciej_bledowski/Getty Images It's not unusual to spot markings on trees while walking through wooded areas, but one color, in particular, ...

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 ...

A mural painted by street artist Banksy on a residential building in north London has been defaced. The artwork appeared over the weekend featuring swathes of green paint on a wall behind a nearby ...

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 ...