Oh, wait, that's wrong. HERE's the real picture:
Oops, I did it again. That's actually Alan Lee's depiction of the tree Hunding's Hall is built from in Wagner's Ring Cycle. (Note to self: find more of Alan Lee's pictures of Wagner.)
I can think of several pros and cons of the situation. What if you made it out of a fruit tree? Would you then be able to eat yourself out of house and home?