@ GLBT History Museum, 4127 18th Street. A community meeting to discuss plans for the new Cultural District with updates from Supervisor Rafael Mandelman and working committees. 6-7:30pm. http://www.glbthistory.org

@ Guerneville. The 22nd annual weekend for hairy, burly guys continuing through August 6 at venues throughout town and activities including pool parties, dances, hikes, barbecues, wine tours, shows, bonfires and more. http://www.lazybearweekend.org

@ Small Business Administration, 455 Market Street. A new workshop series, with meetings on the 1st and 3rd Wednesday each month, designed to help entrepreneurs, business professionals, community leaders and elected officials become more confident speakers. 3-5pm. http://www.ggba.com

@ SF LGBT Center, 1800 Market Street. A free class for trans and gender non-conforming folks, the event evolved into a community of connected people in tech plus aspiring coders, engineers, designers and newcomers. 6-8pm. http://www.sfcenter.org

@ Castro District Locations. A neighborhood art walk held monthly on the first Thursday of each month at multiple hosting locations. 6–7pm. http://wwwcastroartwalk.com

@ California Academy of Sciences, Golden Gate Park, 55 Music Concourse Drive. Get acquainted with the most resilient of the cacti, succulents and reptiles. One in the Academy’s ongoing Thursday NightLife series featuring art, music, performances and ideas. 6–10pm. http://www.calacademy.org

@ Joaquin Miller Park, 3450 Joaquin Miller Road, Oakland. Bring blankets and favorite foods for this annual outdoor event hosted by cast members and friends of The California Revels organization. 11:30am-3pm. http://www.californiarevels.org

@ El Rio, 3158 Mission Street. Rhinstone studded, gingham, beadazzled and tasseled shirts plus boots are encouraged at this annual party featuring cold drinks, BBQ and good tunes by Valerie Jay, Crying Time, The Muddy Roses and Velvetta. 3pm. http://www.elriosf.com