I found a couple of neat books by Beth Boon on “Ancient Trees Portraits of Time”. She has a few small galleries of the trees online. Really great, very old trees, now if we could just get them into a Bonsai pot. My favorite tree is below.
Ancient Trees Portraits of Time by Beth Boon
Ancient Skies, Ancient Trees by Beth Boon
The following photo is courtesy of Beth Boon via Anika Burgess.