MAPLE GROVE FARMS OF VERMONTLearn about how farmers used to gather sap and boil it down and about modern sugaring in the Sugar House Museum. Mon-Fri 8 a.m.-5 p.m., Sat-Sun 9 a.m.- 5 p.m. Free. 1052 Portland St., St. Johnsbury, Vt. 802-748-5141, www.maplegrove.com