The San Diego Zoo - Travel Guide is a free iPhone application developed by the San Diego Zoo. The app is designed to help visitors get the most out of their visit to the zoo. It offers preset walking paths and directions to find your favorite animals, making it easier than ever to navigate the zoo.

The app also allows visitors to plan their day by adding must-see animals, dining, and shopping experiences. With this feature, visitors can easily create a customized itinerary for their visit. The San Diego Zoo - Travel Guide is a great tool for anyone planning a trip to the zoo and looking to make the most out of their visit.