This sprawling facility in Scarborough is one of the largest zoos in the world, with more than 6 miles of walking trails spread over 700 acres and 3,000 animals (representing more than 300 species ...

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 ...