The Dillaway-Thomas House at Roxbury Heritage State Park was built in 1750 and served as headquarters for General John Thomas and the Continental Army during the siege of Boston in 1775. The house has been restored to show how it changed over two centuries and now offers exhibits which interpret both the past and present history of Roxbury and its people and cultures. A new park adjacent to the Dillaway-Thomas House provides a scenic overlook of downtown Boston.