The Pittsfield Historical Society, in conjunction with New Hampshire Humanities, will host the program: A Walk Back in Time: The Secret of Cellar Holes presented by Adair Mulligan. She will explore the origins of cellar holes and what secrets they may hide. See how one town has set out to create an inventory of its cellar holes, piecing together the clues in the landscape. This program is free and open to the public. Please join us on Wednesday, May 8, at 7:00 p.m. at the Historical Society, 13 Elm Street.