The San Diego Zoo's Wild Animal Park is a zoo in the San Pasqual Valley area of San Diego, California. It is one of the largest tourist attractions in the city and Southern California. The Park houses a large array of wild and endangered animals including species from the continents of Africa, Asia, Europe, North and South America, and Australia. The park is in a semi-arid environment and one of its most notable features is the Journey into Africa tram which explores the expansive African exhibits. These free-range enclosures house such animals as cheetahs, antelopes, lions, giraffes, okapis, elephants, zebras, Przewalski's horses, rhinos, and bonobos. The park is also noted for its California condor breeding program, the most successful such program in the country.