Saturday, April 27, 11:15 a.m.–12:15 p.m.
Meet at Presidio Transit Center
Ride the PresidiGo shuttle and learn some of the best-kept secrets of the Presidio then walk to the earthquake cottages, which housed the displaced after the 1906 shaker. Free, reservations required at 415-561-4323, www.parksconservancy.org