Why are the constellations backwards in Grand Central? Why are there acorns all over the place? Why does the Great Hall at the Met look like the Baths of Caracalla? Why is there a golden Diana statue in the middle of the Metropolitan Museum of Art, and what does that have to do with the General Sherman statue by The Plaza? Why is Rockefeller Center’s Atlas statue in permanently grimacing at St. Patrick’s Cathedral? And what does he have to do with the Pieta inside?