The popular Behind Closed Doors Tours of Castle Tucker returns on Saturday, June 21. Peek into the nooks and crannies on this leisurely in-depth tour that includes rooms and stories not included on the general tour. This unique mansion towering on a hill overlooking the Sheepscot River is entirely authentic, filled with the original furnishings and decoration of the Tucker family who lived here for over 140 years. Castle Tucker is at 2 Lee St., Wiscasset.

The tour begins at 10 a.m. and concludes at 11:30 a.m. Advance ticket purchase is required. Space is very limited. Admission is $15 for members of Historic New England, $25 for non-members. Buy tickets today at https://my.historicnewengland.org/24947/closed-doors-621