Enjoy a self-guided tour of the first floor of this stunning Federal-style mansion, decorated for the holidays with gorgeous greens.Noon to 3 p.m. Personal photography is welcome. After touring stop in the original kitchen for a warm drink and tasty delights. $5 for Wiscasset residents and Historic New England members, $10 non-members. Nickels- Sortwell House and Barn, 121 Main St., Wiscassset. FMI: visit HistoricNewEngland.org and http://wiscassetholidaymarketfest.com.