Do you have a Bank of America ATM or Credit Card? If so, you can get free admission to over 100 museums nationwide! B of A has a program called “Museums on Us”, which allows free admission on the first full weekend of each month to many museums. They have a list of about 100 that you can choose from.
Here in the OC, the Discovery Science Center is one of them. To find other museums on the list or get more information visit the B of A “Museums on Us website”.