Mentioned by UpgradedPoints.com
The 30 Best Things To Do in San Diego [Free Activities & Family-Friendly Attractions]
"Balboa Park is more than just a green space in the city — it’s a cultural oasis — home to more than 17 museums, theaters, and the famous San Diego Zoo. There are several playgrounds and a miniature railroad to keep the kids entertained, and various restaurants and cafes to grab a bite to eat. The iconic botanical building is a lovely visit with thousands of plants and a lilypond."