Capitol Hill in Seattle has brass dance steps embedded in the sidewalk - I didn't find a comprehensive collection of the pictures (and I don't have mine scanned in), but there's a taste of it near the bottom of this page: http://www.ci.seattle.wa.us/tour/capitol.htm
I don't really have much to add to the conversation at hand, but it reminded me so strongly of this, I just wanted to share.

Later, after a narcissistic look at her post... Well, glory be! I'm an addict! [Double ]