Historic Deerfield is a museum dedicated to the heritage and preservation of Deerfield, Massachusetts, and history of the Connecticut River Valley. Its historic houses, museums, and programs provide visitors with an understanding of New England's historic villages and countryside. It is located in the village of Old Deerfield which has been designated a National Historic Landmark District , and is listed on the National Register of Historic Places. The museum also hosts the Dublin Seminar for New England Folklife.