Mentioned by Ciao Bambino!
10 Fun Things to Do in San Diego with Kids | Kid-Friendly San Diego
"In the heart of downtown San Diego, Balboa Park is 1,400 gorgeous acres of green space. (By comparison, New York City’s Central Park is 842 acres.) In 1915, Balboa Park was the setting for the Panama-California Exposition celebrating the opening of the Panama Canal and securing San Diego’s place as a port, which is why several of the city’s oldest and most ornate buildings can be found here. Many of those historic buildings now house robust museums such as the San Diego Museum of Man, San Diego Museum of Art and family-friendly San Diego Natural History Museum (theNAT)."