Fun Things to do in the Bay Area

Children's Museums
Childrens Discovery Museum - San Jose
Bay Area Discovery Museum - Sausalito
Exploratorium - San Francisco
Habitot - Berkeley
Randall Museum - San Francisco [Dir]
- Golden Gate Model Railroad Club
California Academy of Sciences - San Francisco

The Jungle in Concord

Animals
Oakland Zoo
San Francisco Zoo
Lindsay Wildlife Museum - Walnut Creek

Outdoor Children's fun
Tilden Park - Berkeley
  - Train rides, Carousel, Pony Rides
Niles Canyon Railway - Sunol - Sundays Only!
Fremont-Ardenwood Historic Farm
Safari West - Santa Rosa
Sonoma Traintown
Pixieland in Concord
FairyLand - Oakland

Book: Kid's Adventures around SF Bay - Elina Wong

Water Parks
Waterworld in Concord
Raging Waters in San Jose

Amusement Parks
Six Flags Discovery Kingdom - Vallejo
Great America - Santa Clara

Adult
Blackhawk Museum - Blackhawk
Oakland Museum of CA - Oakland
The Tech Museum of Innovation - San Jose

Wings of History - San Martin
Hiller Aviation Museum - San Carlos
San Francisco Fire Museum - SF
San Quentin Prison Museum - San Quentin
Wells Fargo History Museum - SF
Cable Car Museum

Eugene O'Neill National Historic Site (Tao House) - Danville
Haas-Lilienthal House - San Francisco
Filoli House - Woodside

SF MOMA
Palace of the Legion of Honor - SF
Golden Gate Park
  - Japanese Tea Garden
  - De Young Art Museum

Other Stuff - further away
Carmel/Monterey
Napa Valley
Lake Tahoe