In 1914, the Audubon Wildlife Institute established a zoo in New Orleans, Louisiana.
The Bronx Zoo in New York City is one of the country's largest urban zoos. It is situated on both sides of the Bronx River and has around 4,000 animals.
It is well-known for its several displays, including the famous dinosaur exhibit featuring animatronic dinosaurs and children's activities.
Cheyenne Mountain Zoo is shown at the base of Pikes Peak for an article on the Top Zoos in the United States.
In addition to the standard zoo attractions, the Cincinnati Zoo features a bug display, a rarity among American metropolitan zoos.
Despite Cincinnati Zoo's fame, the Columbus Zoo continues to impress visitors each year.
It is a smaller zoo than many others on this list, but it contains a diverse collection of species.
The Denver Zoo is an incredible location to view exotic creatures from around the globe.
The Henry Doorly Zoo in Omaha, Nebraska, is home to little under one thousand animal species.