Duke Energy Go Green Garden, Cincinnati, OH 45220, US

Cincinnati Zoo & Botanical Garden is rated as one of the top three attractions in Cincinnati and one of the top five zoos in the United States by Zagat Survey. The zoo has also been recognized by Child Magazine as one of the 10 best zoos for kids. It serves more than 1 million people who visit the zoo's various award-winning exhibits, and over 500 animal and nearly 3,000 plant species every year. Cincinnati Zoo & Botanical Garden is also an accredited member of the American Zoo and Aquarium Association. It is also recognized for protection and propagation of endangered animals and plants. The zoo also offers a wide variety of research and conservation projects worldwide.