The world-famous San Diego Zoo presents a stunning variety of nature’s largest, smallest, exotic, and most endangered creatures. The epic zoo has more than 3,700 animals representing over 800 species in a beautifully landscaped 100 acres (40.5 hectares), typically in lush enclosures that replicate their natural habitat. San Diego Zoo is considered to be one of the best and well-known zoos in the world, and is a must-see attraction in sunny Southern California.