The other month Jon Schindehette, Art Director for D&D, put up a post asking for our own artistic interpretations of D&D.
Look throughout the history of art—ALL art—and choose the artist or piece that really captures the essence of D&D.Great question, Jon! I only wish that Wizard's horrible piece-of-shit community management software allowed me to reset my password from overseas so I could log in and add my answer to the comment section of his post.
Ah, well. As a second-best option, I'm re-posting and expanding on my EnWorld post here.