- ... that Ward's Castle (pictured), on the state line between Rye Brook, New York and Greenwich, Connecticut, is believed to be the first reinforced concrete building in the United States?
- ... that the Bergh-Stoutenburgh House, one of only two remaining Dutch Colonial stone houses in Hyde Park, New York, has been converted into a Japanese restaurant?
- ... that the Peter C. DuBois House in Beacon, New York was reused as a sanatorium for much of the 20th century?