San Francisco Mime Troupe: Oil and Water Dolores Park, 18thand Dolores, SF. www.sfmt.org. 2pm, free. This free performance by San Francisco's beloved Mime Troupe actually incorporates two shorter plays, Crude Intentions and Deal with the Devil. Dealing with issues such as climate change, pollution, water scarcity and fossil fuel dependence, the plays involve a poisoned rainforest river, a senator mysteriously murdered in his office and, true to life, an oil refinery ablaze in the Bay Area.
Harvey Milk Day The GLBT History Museum, 4127 18th St., SF. (415) 621-1107 . 11am-6pm, free. California marks Harvey Milk's birthday, May 22, as an annual statewide day of significance. The GLBT History Museum will honor the occasion this year by offering free admission to all visitors. In addition, the museum is extending a special welcome to Bay Area schools.