Asian Heritage Street Celebration Larkin and McAllister, SF. www.asianfairsf.com. May 19, 11am-6pm, free. Featuring a Muay Thai kickboxing ring, DJs, and the latest in Asian pop culture, as well as great festival food.
Uncorked! San Francisco Wine Festival, Ghirardelli Square, 900 North Point, SF. (415) 775-5500, www.ghirardellisq.com. May 19, 1pm-6pm, $50 for tastings; proceeds benefit Save the Bay. A bit of Napa in the city, with tastings, cooking demonstrations, and a wine 101 class for the philistines among us.
Maker Fair, San Mateo Event Center, San Mateo. www.makerfaire.com. May 19-20, $8–$40. Make Magazine's annual showcase of all things DIY is a tribute to human craftiness. This is where the making minds meet.
Castroville Artichoke Festival, Castroville. (831) 633-2465 www.artichoke-festival.com. May 19-20, 10am-5pm, $10. Pay homage to the only vegetable with a heart. This fest does just that, with music, parades, and camping.
Bay to Breakers, Begins at the Embarcadero, ends at Ocean Beach, SF. www.zazzlebaytobreakers.com. May 20, 7am-noon, free to watch, $57 to participate. This wacky San Francisco tradition is officially the largest footrace in the world, with a costume contest that awards $1,000 for first place. Just remember, Port-A-Potties are your friends.
Freestone Fermentation Festival Salmon Creek School, 1935 Bohemian Hwy, Sonoma. (707) 479-3557, www.freestonefermentationfestival.com. May 21, Noon-5pm, $12. Answer all the questions you were afraid to ask about kombucha, kefir, sauerkraut, yogurt, and beer. This funky fest is awash in hands-on demonstrations, tastings, and exhibits.
San Francisco Carnaval Harrison and 23rd St., SF. www.sfcarnaval.org. May 26-27, 10am-6pm, free. Parade on May 27, 9:30pm, starting from 24th St. and Bryant. The theme of this year's showcase of Latin and Caribbean culture is "Spanning Borders: Bridging Cultures". Fans of sequins, rejoice.
Union Street Eco-Urban Festival Union Street between Gough and Steiner, SF. (800) 310-6563, www.unionstreetfestival.com. June 2-3, 10am-6pm, free. See arts and crafts created with recycled and sustainable materials and eco-friendly exhibits, along with two stages of live entertainment and bistro-style cafes.
Haight Ashbury Street Fair, Haight between Stanyan and Ashbury, SF. www.haightashburystreetfair.org. June Date TBD, 11am-5:30pm, free. Celebrating the cultural history and diversity of one of San Francisco's most internationally celebrated neighborhoods, the annual street fair features arts and crafts, food booths, three musical stages, and a children's zone.
San Mateo County Fair, San Mateo County Fairgrounds, 2495 S. Delaware, San Mateo. www.sanmateocountyfair.com. June 9-17, 11am-10pm, $6–$30. Competitive exhibits from farmers, foodies, and even technological developers, deep-fried snacks, games — but most importantly, there will be pig races.