Balboa Park
This is the biggest urban cultural park in the US. This family-friendly place features 17 different museums and diverse architecture as well. Highlights include the San Diego Air and Space Museum, the popular Spanish Village Art Center, the Natural History Museum Center, the Reuben H. Fleet Science Center, an interactive and educational place for the kids, the Japanese Friendship Garden, the Botanical Building which is home to over 2,000 plants, and the world-famous San Diego Zoo.