These trees could easily be treemen. The photographs are the work of Elido Turco, an Italian with an eagle eye for possible faces. Turco uses the simple mirror technique on these naturally occuring gnarls to bring these faces out of trees.
Turco publishes a Flickr that’s well worth looking at if you want to see more photographs of Ents. These could be perfect for any GM hoping to run adventures in Middle Earth or similar setting.
(Via Junk Culture.)