Balboa Park is a historic urban cultural park in San Diego, California, United States.[3][4] In addition to open space areas, natural vegetation zones, green belts, gardens, and walking paths, it contains museums, several theaters, and the San Diego Zoo.
The San Diego Zoo is 100 acres in size. It is well known for its lush, naturalistic habitats and unique animal encounters and is home to more than 3,700 rare and endangered animals representing approximately 660 species and subspecies and a prominent botanical collection with more than 700,000 plants.