largest zoo in the world
Omaha's Henry Doorly Zoo named best zoo in the world Kelly: Travel website hails Omaha's Henry Doorly Zoo as largest in world. In this April 25, 2013, photo, two lion cubs go exploring inside the outdoor section of the cat complex at Omaha's Henry Doorly Zoo & Aquarium. The cubs were born Dec. 29, 2012, and this was the first time the cubs were allowed outside.