Join volunteer naturalist Diane Diaz-Goebes and staffer Debra Gage for a two-mile hike to the new Jug Bay Farm Preserve to look for signs of fall and learn about the vineyard, tour the historic home and taste some of the wines (ages 21+). Noon-4pm, Jug Bay Wetlands Sanctuary, $25, RSVP: www.jugbay.org.