Fri.–Sat., Feb. 14-15, 6 p.m.– 8 a.m.
California Academy of Sciences
Celebrate the human side of chemistry with an all-inclusive sleepover, including a buffet dinner, champagne toast, planetarium screenings, silent disco, science demos, aquarium yoga, free parking, next-morning breakfast, and more. Ages 21 and up. $195, 415-calacademy.org