Tower Hill Botanic Garden’s Fall Fest grand finale is Columbus Day weekend with children’s crafts, botanic face painting, a hay maze, story walks, scavenger hunts, heirloom apple orchard tours, cooking demonstrations, vendors, live music, apple tastings, alpacas, book signings and talks with authors, cider and beer samplings from local brewers and more. Saturday, Oct. 10, features a special Live Caterpillar exhibit from 11 a.m. to 2 p.m.; live music from noon to 3 p.m.; and a 2 p.m. talk by nationally renowned apple expert Dan Bussey on Saving the Heirloom Orchard. Saturday, Oct. 11, features live music from noon to 2 p.m. and cooking demonstrations with chefs from the Concord restaurant 80 Thoreau at 11 a.m. and 1 p.m. The special events on Monday, Oct. 12, include a 11 a.m. cooking demonstration by the pastry chef from Cambridge’s Sofra Bakery; a reading from “A Walk in Pooh’s Footsteps” by author Kathryn Aalto at 11 a.m. as well as a lecture and book signing at 1p.m.; and live music from noon to 3 p.m. For more information, please visit or call 508-869-6111. Full schedule of events over the next three weekends: