(PS: for those who aren't familiar with Hanksy's work http://www.woostercollective.com/post/hanksy-hits-chicago)
Graffiti Alley in Ann Arbor is literally the best hidden treasure in the city. This blink-and-you-might-miss-it spot began as a one-man project in the 80's and has now grown into a huge canvas for local graffiti artists.
