The world-famous San Diego Zoo is one of Southern California’s major attractions. The zoo showcases more than 4,000 animals, representing over 800 species, on 100 acres of beautifully landscaped lush setting that is an accredited botanical garden. Located in the northern section of Balboa Park, the zoo originated with the Panama-California Exposition of 1915-1916. San Diego Zoo is privately operated by the non-profit Zoological Society of San Diego and is one of four zoos in the U.S. which have giant pandas on display and the most successful in terms of panda reproduction.