Have you ever walked down a tree tunnel? It may not sound like much but there is a certain wonder that a tree lined path offers to those who venture to use it. Maybe its the sound of the wind playing with the leaves, or maybe is the critters that call these trees their home. Then again, it could also be the sight the different shapes and colors. Whatever the reason may be, one thing is for sure, tree tunnels are awesome and here are 25 of our favorites.