Wed–Sun thru Aug. 17, 11 a.m.–5 pm
Presidio Trust (103 Montegomery St.)
This exhibition showcases five international parks through the eyes of experts, each with a lifetime’s work in that part of the world. Through narratives and photographs, learn about the challenges facing protected areas in Tibet, East Africa, Italy, Amazonia, and Australia. Free, 415-561-5300, presidio.gov