![](https://marty-essen.com/wp-content/uploads/2020/07/Petrified-Tree-1000x667.jpg)
Marty’s photo of the day #3316: My favorite college speaking tours are the ones where I have time between shows to do a little exploring. Several years ago I was on a tour that took me through Arizona, and I spent part of a day hiking in the Petrified Forest National Park. I found this great old petrified tree well off the beaten path.