National Park Service, Massachusetts.
Longfellow House-Washington's Headquarters National Historic Site preserves the home of Henry W. Longfellow, one of the world’s foremost 19th century poets. The house also served as headquarters for General George Washington during the Siege of Boston, July 1775 - April 1776. In addition to its rich history, the site offers unique opportunities to explore 19th century literature and arts.
Longfellow House-Washington's Headquarters NHS is located in a residential section of Cambridge, MA. There is very little public parking in the area and onsite parking is limited to vehicles with handicapped parking permits. However, the site is a short walk from Harvard Square, where there are paid parking lots and a station for the MBTA Red Line and numerous bus routes. The use of public transportation to the site is highly recommended. Follow the link for detailed instructions.