Being a resident of NYC, I often go by the Apple Store on 5th Ave. I hardly go in there, unless I need a new pair of iPhone headphones (yes I use them with my HTC hero). According to Philip Elmer-DeWitt of Fortune Magazine, there is a Cornell study that figured out the glass cube which is the Apple Store on 5th avenue is the 5th most photographed landmark in NYC, and 28th in the world!
In NYC the five most photographed landmarks are:
Those wondering, the Statue of Liberty came in 7th for NYC.
You can read Cornell’s report here