5 Best Zoos in the US

3. Bronx Zoo

Total Animals in the Zoo: 4000

Annual Visitors: 2.15 million

Located in the state of New York, the Bronx Zoo is the largest zoo in the United States that is located in a city. Beginning operations as far back as 1899, it is also one of the oldest zoos in the country. The zoo is home to over 4000 animals and over 600 unique species. The zoo is run by the Wildlife Conservation Society and has been active in conservation efforts since 1905. Its most popular exhibits, each of which shows different animals and species in their habitats, include Congo Gorilla Forest, Wild Asia Monorail, Jungle World, Madagascar, African Plains, and Tiger Mountain.