For animal lovers, the San Diego Zoo is a must-visit attraction. Built on a hillside in beautiful Balboa Park, the zoo boasts 4,000 animals representing more than 800 species, plus over 6,500 species of exotic plants. The sprawling zoo offers an immersive experience with open-air habitats that recreate the natural environments of its residents. From the playful pandas to the majestic lions, there's a world of wildlife to discover. Your admission ticket includes unlimited use of the guided bus, express bus, and the Skyfari aerial tram, which offers a bird’s eye view of the zoo and surrounding park.