There is some fantastic art in this article. I do still really like classic graffiti, though, and there is a lot of that in Portland. Here is a little snippet of an amalgam that I enjoyed while I was there recently.
Patio Street Art, Bella Faccia Pizzeria, Portland, Oregon, US
Image may be NSFW.
Clik here to view.
Bella Faccia Pizzeria, Portland, OR