Feb. 27: Hillbilly Robot, Smuin Ballet and more

A great hike

Cog wild: Cogswell Marsh in the Hayward Regional Shoreline is a place to find tranquility away from traffic. Go on a 2.75-mile (round-trip) wander around the seasonal wetland. Bring binoculars, as this is a prime place to spot waterfowl, including long-beaked godwits and avocets as well as great blue herons and great egrets. The walk has views of the Santa Cruz Mountains, Mount Diablo, and the Oakland and San Francisco skylines. [Visit WeekendSherpa.com for details and other local adventures]


Gas economics: Learn why plunging gas prices are expected to boost the economy while encouraging sales of gas-guzzling vehicles. [Noon, Commonwealth Club, 555 Post St., S.F.]

Trippy tales: “Owsley & Me: My LSD Family” author Rhoney Stanley shares psychedelic tales with musical accompaniment by David Gans. [7 p.m., Beat Museum, 540 Broadway, S.F.]

New dance: Smuin Ballet’s “Undiscovered: Choreography Showcase” presents new short works created and performed by Smuin dancers. [7:30 p.m., ODC Theater, 3153 17th St., S.F.]

Rock show: San Francisco electronic-dance-pop group Geographer is headlining a Noise Pop Festival bill that also includes K. Flay and Empires. [8 p.m., Fox Theater, 1807 Telegraph Ave., Oakland]

Divine drag: Inspired by the 1980s ball culture of Harlem, N.Y., the Love Ball PDX drag extravaganza encourages creative self-expression from all attendees and benefits LGBT charities. [10 p.m., Oasis, 298 11th St., S.F.]


Presidio feedback: Learn about plans for the New Presidio Parklands Project and submit ideas to The Presidio Trust. [10:30 a.m.-1:30 p.m., Women’s Building, 3543 18th St., S.F.; newpresidioparklands.org]

Chinatown trip: Film director Lynne Sachs presents her documentary “Your Day is My Night,” which follows immigrants living in cramped apartments in New York’s Chinatown. [1 p.m., Chinese Historical Society of America, 965 Clay St., S.F.; chsa.org]

Evolution revolution: “The Animated Life of A.R. Wallace” tells the story of the British naturalist who pioneered the concept of evolution before Charles Darwin. [1, 2 and 3 p.m., Exploratorium, Pier 15, S.F.]

Traditional sounds: The Black Brothers Band plays close-harmony music in the Irish and Scottish tradition. [7:30 p.m., Mildred Owen Concert Hall, 1220 Linda Mar Blvd., Pacifica]

Sword-swallowing day: Celebrate the 4,000-year-old art of sword-swallowing and World Sword Swallower’s Day with a free exhibition by daredevil Matthew Bouvier. [2 p.m., Ripley’s Believe It or Not, 175 Jefferson St., S.F.]

Americana music: Hillbilly Robot: An Urban Americana Music Event concludes with a CD-release party for Blisses B. [9 p.m., Great American Music Hall, 859 O’Farrell St., S.F.]

A great bike ride

Point Reyes ride: It’s the perfect time to bike in Point Reyes National Seashore. On weekends through mid-April, Sir Francis Drake Boulevard beyond South Beach Junction is closed to traffic. For a short ride, 10 miles round trip, park at the Drake’s Beach or South Beach parking lots. For a 30-mile ride, park next to the Inverness Store. Stop and see the elephant seals at Chimney Rock, and keep an eye out for whales. [9 a.m.-5 p.m., Sir Francis Drake Boulevard beyond South Beach Junction, Point Reyes National Seashore; 1.usa.gov/1D5bN0q]

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