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 ...

There are 19 states where if you see purple paint on trees or fence posts while out hiking, you should leave immediately. That's because purple paint denotes private property in these areas, which ...

Pennsylvania will allow landowners to legally notify hunters and others that they're trespassing by painting purple stripes on trees or posts. The bill signed Wednesday by Gov. Tom Wolf is designed to ...

Q: My dad helped me plant a couple of young apple trees in my backyard last weekend and so far, so good. After we finished I said the only thing I had left to do was paint the trunks white. He looked ...