Cincinnati Zoo & Botanical Garden is the fifth-oldest zoo in the United States, opening in 1875, after the
Philadelphia Zoo, the Roger Williams Park Zoo, the Lincoln Park Zoo, and the Central Park Zoo. It is located in the Avondale neighborhood of Cincinnati, Ohio. It originally began with 64.5 acres in the middle of the city, but has spread into the neighboring blocks and several reserves in Cincinnati's outer suburbs. It was appointed as a National Historic Landmark in 1987.
Official website http://cincinnatizoo.org/
Address 2-34 Erkenbrecher Ave, Cincinnati, OH 45220, USA
Coordinates 39°8'39.486" N -84°30'31.631" E