Friday, May 5 & 19, 3–4 p.m.
Presidio Trust (103 Montgomery St.)
Learn about and tour the site of the planned 14-acre landscape atop the Presidio Parkway tunnels linking the Presidio to the waterfront. Free, registration required, 415-561-5300, presidio.gov/events/presidio-tunnel-tops-project-site-tour
