Find current designation reports that detail the historical, architectural, and cultural significance of every individual landmark or historic district approved by the Landmarks Preservation Commission.

Check out this list of links to organizations working to protect landmarks in NYC. Many local organizations including historical societies and cultural centers are listed.

Search a database of of the entire collection of NYC Landmark Designation Reports from 1965 to the present.

Online Exhibitions at the Museum of the City of New York include "The Greatest Grid," covering the master plans for Manhattan and Staten Island.

The MAS works to protects New York’s legacy spaces.

Digitized collection of New York State National Register documents, building and archaeological inventory forms and survey reports.