Seeing blue dots, red Xs, orange circles and purple bands on trees and wondering what they mean? Here's what we found out about those painted trees.

Add Yahoo as a preferred source to see more of our stories on Google. An orange circle painted on a tree in the woods - Mbprojekt_maciej_bledowski/Getty Images It's not unusual to spot markings on ...

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 ...