San Diego, CA - Discount Hotels, Resorts, Vacations, Vacation Packages & Travel Guide The home of the world-famous zoo, and California's SeaWorld, San Diego is the the second largest city in California. History, shopping, animals and ethnic variety make San Diego a great family location. SeaWorld Adventure Park in San Diego features Shamu shows, dolphin shows, and sea lions as well as a selection of rides and attractions for the whole family. There is also the San Diego Zoo with its Wild Animal Park. The zoo has the largest population of Giant Pandas outside of mainland China, which are a well-known icon of the zoo itself. There are also several varieties of rare plants and endangered species present in the zoo, making it a jewel of a place to visit while in San Diego Old Town San Diego State Historic Park is the original city settlement that depicts early American and Mexican history in California. The settlement has a blacksmith and houses with 19th century furnishings. Balboa Park is the city's main cultural and recreational center. It lies within 1,200 acres and features the 200-foot California Tower, as well as several Spanish Colonial Revival style buildings. San Diego is also home to the...more on San Diego