The Sturbridge Common Historic District centers on a classic New England town green — an oval of mowed grass framed by white clapboard buildings that date mostly from the late 18th and early 19th centuries. The common itself is the type of space that Old Sturbridge Village recreates a few miles west; standing here gives you the actual context, still intact, rather than the carefully managed museum version. The surrounding streetscape has changed less than most New England town centers, partly because Sturbridge was bypassed by the main wave of 20th-century commercial development.
Key buildings around the common include the First Congregational Church (built 1832), several large Federal-style homes, and the Publick House, which has been operating on the common since 1771. Walking the perimeter takes about 20 minutes; the district is pleasant on its own terms as a stopping point rather than a destination. It's also free, which matters if you've already spent a significant sum on Old Sturbridge Village admission across the road.