Mentioned by planetware.com
14 Top-Rated Tourist Attractions in San Diego | PlanetWare
"This 1,400-acre site encompasses historical buildings, numerous museums, gardens, and green space. The park was created for the Panama California Exhibition of 1915-1916, and most of the buildings remain from that event. The predominant architecture is Spanish-style, with low-rise buildings that blend in with the natural surroundings."