License to thrill: “For Your Eyes Only” film series concludes with a double bill of the James Bond flicks “Thunderball” and “On Her Majesty’s Secret Service.” [Noon, 2:30, 6:30 and 9 p.m., Castro Theatre, 429 Castro St.]

Who’s in town

Author Robert Balmanno reads from his debut novel, “September Snow.” [Noon, Borders Books, 400 Post St.]

City activities

Memorial Day: Presidio and military events include a parade, a ceremony and tours. [Parade starts at 10:30 p.m., Presidio Main Parade Ground; program at 11 a.m., S.F. National Cemetery; Presidio of San Francisco]

Abode and beyond: The 2007 S.F. Decorator Showcase closes. The event, which benefits S.F. University High School’s financial-aid program, features a tour of a historic mansion. [11 a.m. to 4 p.m., 2901 Broadway]

Tours

‘Bawdy & Naughty’: City Guides history stroll examines a “shady profession” via a sympathetic look at women who crossed seas and prairies for a better life. [11 a.m., Maiden Lane gate, near Kearny and Post streets]

Bay Quackers: Participants explore The City aboard a DUKW, a refurbished amphibious landing craft from World War II. [10 a.m., noon, 2 and 4 p.m., Anchorage Mall, 2800 Leavenworth St.]

Museums

Exploratorium: Exhibits include “Liminality: Art on the Threshold” and “Listen: Making Sense of Sound.” [10 a.m. to 5 p.m., 3601 Lyon St.]

California Academy of Sciences: Exhibits include “Xtreme Life: On Earth and Beyond?” and “Aquarium Under Construction.” [10 a.m. to 5 p.m., 875 Howard St.]

Family

San Francisco Zoo: Attractions include “African Savanna,” “Australian WalkAbout,” “Bear Grottos,” “Gorilla Preserve,” “Koala Crossing” and “Penguin Island.” [10 a.m. to 5 p.m., 47th Avenue and Sloat Boulevard]

S.F. Botanical Garden: Visitors can view more than 7,500 varieties of plants from around the world. Currently highlighted is the psoralea pinnata, a South African shrub now in bloom. [10 a.m. to 5 p.m., Golden Gate Park]

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