The Leventhal Map & Education Center is an independent nonprofit organization that offers extensive programs to K- 12 students and teachers both onsite and in school classrooms. Based at the Boston Public Library in Copley Square, the Leventhal Center also presents changing exhibitions and public programs including lectures and family events, collects, catalogs and conserves a collection of 200,000 maps and 5,000 atlases, and provides reference and research services.