Hey everyone I found this interesting article:
Check Out 15 Great Museums at San Diego’s Balboa Park

Many people don’t realize that the San Diego Zoo is just one part of an amazing collection of fascinating attractions and museums that, together, comprise Balboa Park. While you might allow several hours for your visit to the zoo, you could literally come back several different days to enjoy the 15 museums located on this picturesque piece of San Diego real estate.