This national historic site is located on Tory Row in Cambridge. The beautiful, Georgian-style 1759 mansion was once inhabited by poet Henry Wadsworth Longfellow, hence its name, but during the Siege of Boston (1775-1776) it also served as General George Washington’s headquarters. Open W-Su 9:30 am-5 pm, tours every 30 minutes. Home is closed in the off-season unless by special appointment. Grounds are open year-round to the public from dawn to dusk.