Penguins & Pajamas Sleepover

Fri.–Sat., April 15–16, 6 p.m.–8 a.m.
Cal Academy of Sciences (Golden Gate Park)
Enjoy a night at the museum after hours, then after snacking on milk and cookies, roll out your sleeping bag next to swaying kelp or Claude, the albino alligator. Includes breakfast, next-day admission, and more. $129, 415-379-5854, calacademy.org