Stockade Scavenger Hunt. Free. 10 a.m. to 1 p.m. at Schenectady County Historical Society, 32 Washington Ave, Schenectady, NY 12305. Follow clues to learn more about the founding of Schenectady, and other topics. Bring a camera to document your journey. Register: (518)374-0263 or librarian@schenectadyhistorical.org.