If you have a Bank of America or Merrill Lynch credit /debit card, you can get free admission to a bunch of Bay Area museums every month. Calendar is in the link above.

San Francisco

• Contemporary Jewish Museum
• de Young Museum
• Legion of Honor

Oakland

• Chabot Space & Science Center

San Jose

• San Jose Museum of Art
• The Tech Museum of Innovation

Mountain View

• Computer History Museum

Sacramento

• Crocker Art Museum
• The California Museum