Stonehurst, the Robert Treat Paine Estate is offering visitors the opportunity to conduct self guided tours around the estate during the winter months. Guests can purchase a guide book with activities for $3.  Explore connections between nature and architecture or  learn about the three giants of Stonehurst. The grounds are open  during daylight hours. Other tours are also available. For more information call 781-314-3290 Tuesday through Thursday between 11am and 2pm.