Miss Vickie writes often about her home state of Georgia. She posted photos of the “spirit trees†of St. Simons Island. {wiki} The legend is that trees may look at you, but it’s bad luck to look back at them! Link
In order to know what not to look at, you have to know where it is. In order to know where something is, you have to look at it. So you’re pretty much guaranteed bad luck in trying to avoid back luck.
When I was growing up my family had a house in the woods in Wisconsin. The neighbor was an excellent sculpture and would do random carvings all through the woods. Some were great, others really creeped us out. Wish I had pictures.