6sqft: New Historic Districts Council website lists every landmark in NYC

6sqft: New Historic Districts Council website lists every landmark in NYC. “Preservationists, advocates, history buffs and anyone interested in finding out about the history of New York City’s neighborhoods and landmarks has an exciting new resource at their fingertips. The Historic Districts Council (HDC) has launched a new website that offers a complete list of every historic district, individual landmark, interior landmark and scenic landmark in New York City.”