Montgomery County Historical Society
111 West Montgomery Avenue, Rockville, MD 20850, USA
From I-270 take Route 28 east. Turn left on West Montgomery Avenue. Turn left onto North Adams Street and then make the next left onto Middle Lane.
Library, museum shop, rest rooms, tours.
First Sunday after Labor Day, county birthday celebration; December, holiday tour; call or check Web site for lectures, tours, workshops.
Both docent-led and self-guided tours are available