ROCHESTER — On Sept. 30, the Rochester Historical Society will hold an open house from 10 a.m. to 3 p.m. at its museum, 355 County Rd.

The open house will introduce part two of the society’s exhibit “Maps, Signs and Celebrations.” This exhibit will showcase signs and maps as well as material related to the country's bicentennial celebration, Rochester's tricentennial celebration and the celebration of the millennium.

The open house will also host the Rochester Historical Society’s annual cranberry bake sale and raffle. Rochester items will be for sale including books, maps, cranberry labels, hats, t-shirts, sweaters and more.