Parque of Puerto de la Cruz, Spain, and the Singapore
Zoo.
In the U.S., the San Diego Zoo ranked ahead of the
Henry Doorly Zoo in Omaha and the St. Louis Zoo. The
San Diego Zoo Safari Park ranked 10th in the U.S...."
http://www.cbs8.com/story/29558789/san-diego-zoo-named-best-in-the-world
