I discovered that the "brick" cross walks are actually painted on:
And I found this gorgeous alley in the Depaul area:
I walked down it and could see into everyone's back yards. It was fascinating - I felt a little like I was trespassing.
Now I am back home, relaxing after four hours of walking and browsing neighborhood shops. You know what? Today was a really great day. If I could bottle Today, I would do it in a heartbeat.