EXHIBITS

Aquarium of the Bay “Shark and Ray Touchpool.” 1:15 p.m. daily. “California Tidepools.” Invertebrates interactive exhibit. 2:15 p.m. daily. “Otters Up Close.” 3:30 p.m. daily. “Shark Station.” “No Brains, No Bones, No Problem: Jellies.” Ongoing. $12-$21.95. Embarcadero at Beach St., S.F. www.aquariumofthebay.org

Cable Car Museum Powerhouse and cable car barn. Free. 10 a.m.-6 p.m. daily. 1201 Mason St. 415- 474-1887. www.cablecarmuseum.org

California Academy of Sciences “Noise Pop Nightlife.” With Nosaj Thing, Lil’ Waifu, and Arumi, DJs; Valentine’s Day candy craft station; extended aquarium/exhibition hours; planetarium screenings; cocktails. 6-10 p.m. Thurs., Feb. 14. $18-$32. “Giants of Land and Sea.” “Expedition Reef,” “Dark Universe,” “Tour of the Universe,” and “Earthquake: Evidence of a Restless Planet.” Planetarium shows daily. “Gems and Minerals Unearthed.” Ongoing. See website for other exhibits. 9:30 a.m.-5 p.m. Mon.-Sat.; 11 a.m.-5 p.m. Sun. California Academy of Sciences, 55 Music Concourse Dr., S.F. 415379-8000. www.calacademy.org

California Historical Society “Boomtowns: How Photography Shaped Los Angeles and San Francisco.” Through March 10. 11 a.m.-5 p.m. Tues.Sun. 678 Mission St., S.F. 415357-1848. www.californiahistoricalsociety.org

Conservatory of Flowers “Aphrodisiacs of the Tropics: Indulge Your Senses.” Sensually inspired experiences throughout Conservatory galleries; photo booth; live music; chocolate treats; Lagunitas Brewing and Revive Kombucha, drinks. 5-10 p.m. Thurs., Feb. 14. $35. 10 a.m.-4 p.m. Tues.-Sun. 100 John F. Kennedy Dr., Golden Gate Park. 415- 831-2090. www.conservatoryofflowers. org