Boulder Alley ArtBy joderd / June 25, 2016 You would really have to know Boulder’s messy undersides to know where to find this. Try poking around the alleys behind the Pearl Street Mall area. And what an interesting commentary it is… Madonna Alley Altar. Boulder, Colorado, 2016 (iPhone6) Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Related