9.  Santiago Calatrava Sculptures on the Park Avenue Mall

One of the seven Calatrava sculptures on Park Avenue
One of the seven Calatrava sculptures on Park Avenue

Santiago Calatrava has seven of his sculptures on the Park Avenue Mall beginning at 52nd Street. These painted aluminum sculptures are sponsored by the NYC Parks, the Fund for Park Avenue and the Marlborough Gallery.  The installation will be on view until November 15, 2015. See photos of all seven here.