New York is ever changing, structures are built and destroyed everyday. Yet fortunately, there is enough buildings in the the five boroughs to preserve the city’s history. Unfortunately they are off limits to the general public, aside from the major ones. Open House New York, the annual architectural event, blows those doors open and invites the commons for tours. Buildings like the Ford Foundation, Grand Lodge of Masons, the Little Red Lighthouse, and many others. OHNY takes place next weekend throughout NYC. Reservation is required for many of the tours, visit the site for more information.