Maintains three historic houses from three different centuries. The oldest is the 1677 Harlow Old Fort House , one of the few remaining 'First Period' structures in Plymouth. Newly renovated, the 1749 Spooner House showcases 200 years of domestic life, complete with original furniture and housewares. Finally, the 1809 Hedge House is a grand, Federal edifice overlooking Plymouth Harbor.
The society also oversees Sacrifice Rock , the oldest of its historic sites. 'The other rock' is an ancient landmark, where Wampanoag travelers would place branches and stones, as an offering in exchange for safe travels. It's about 6 miles south of Plymouth center.
