Spanning 100 acres in Balboa Park, the San Diego Zoo is not only one of the largest zoos in the country, it's also home to one of the largest collections of rare and endangered animals in the ...

Save money with a Balboa Park Explorer Pass, which offers discounts at park museums. – Sharael Kolberg Home to the renowned San Diego Zoo, this 1,200-acre park is the city's cultural hub.

I was planning to enjoy the day at Balboa Park. The sprawling urban oasis boasts lots of museums, gardens and trails, and the San Diego Zoo. It is listed on the National Register of Historic Places.

In San Diego County, some of the oldest train tracks and rail lines date back over 140 years. The Southern Pacific and Santa ...