If you've been to New York, you can imagine how expensive ground-level retail space is in Rockefeller Center. Some companies will pay up, though, to show off their stuff in a spectacular, high-traffic location.
There is a big Lego store on the concourse leading west from Fifth Avenue to the central plaza and skating rink. The picture above is a model of just that, all made from Legos. The second photo looks like a giant Lego insect buzzing the entrance to Radio City Music Hall.