Indianapolis Zoo (Indiana): Features a zoo, aquarium, and botanical garden in one location, known for its innovative exhibits and conservation efforts.
Woodland Park Zoo (Washington): Renowned for its naturalistic exhibits and commitment to conservation.
Minnesota Zoo (Minnesota): Known for extensive indoor and outdoor exhibits, with a strong emphasis on education.
Brookfield Zoo (Illinois): Located in the Chicago suburbs, known for its diverse exhibits and large size.
Denver Zoo (Colorado): Features a variety of species and state-of-the-art exhibits, with a strong conservation focus.
Philadelphia Zoo (Pennsylvania): America's first zoo, known for its historical significance and modern animal habitats.
Houston Zoo (Texas): Home to over 6,000 animals, with immersive exhibits and a focus on education and conservation.