Daily through April 30, open 24 hours
Levy Art & Architecture (2501 Brant St.)
This storefront window exhibition developed by Natural Discourse considers forests as viewed through oyster shell pinhole cameras, native oyster restoration at the Presidio, and oyster farming and feasting in Tomales Bay. Films play weekends only. Free, 415-641-7320, levyaa.com; 415-561-5300, presidio.gov
