Discover the orchard planted in 1908–1912 at Jack London State Historic Park. Optional 6.5-mile hike follows. $15 per person. $10 parking. 9 a.m.–1:30 p.m. Jack London State Park. 2400 London Ranch Rd., Glen Ellen. (turn right after kiosk). Tickets: tinyurl.com/yfnnne93.