If you love animals and enjoy seeing them up close in well-maintained environments, visiting a zoo can be a fantastic experience. The United States has some of the best zoos in the world, offering visitors a chance to learn about wildlife, conservation, and exotic species. These zoos not only house animals but also focus on education, research, and protection of endangered species. Whether you’re looking for a fun family outing or an educational trip, here are the 10 best zoos in the U.S. that you should visit.
1. San Diego Zoo (San Diego, California)
Considered one of the best zoos in the world, the San Diego Zoo is home to over 12,000 animals from more than 650 species. Located in Balboa Park, this 100-acre zoo is famous for its open-air exhibits that mimic natural habitats. The zoo played a crucial role in saving giant pandas and continues to focus on conservation efforts for endangered species. Visitors can enjoy a guided bus tour, a Skyfari aerial tram, and a children’s petting zoo. There are also behind-the-scenes experiences that allow visitors to interact closely with certain animals.
2. Bronx Zoo (New York City, New York)
One of the largest metropolitan zoos in the world, the Bronx Zoo spans 265 acres and houses over 6,000 animals. Visitors can explore the Congo Gorilla Forest, Tiger Mountain, and the Wild Asia Monorail, where they can see elephants, rhinos, and red pandas. The zoo is also known for its active role in wildlife conservation and rehabilitation programs. It regularly offers animal feeding experiences and seasonal events, such as Boo at the Zoo during Halloween.
3. Henry Doorly Zoo (Omaha, Nebraska)
This zoo is famous for having the world’s largest indoor desert, a massive rainforest, and a state-of-the-art aquarium. With over 17,000 animals from nearly 1,000 species, the Henry Doorly Zoo offers an immersive experience that makes visitors feel like they are in the wild. The Lied Jungle exhibit showcases tropical species in an open, free-flight environment. Additionally, the zoo features a Desert Dome, which mimics desert environments from around the world, and a world-class aquarium where visitors can walk through an underwater tunnel surrounded by sharks and stingrays.
4. St. Louis Zoo (St. Louis, Missouri)
One of the best things about the St. Louis Zoo is that it’s free to enter! This 90-acre zoo is home to over 16,000 animals and is well-known for its exceptional care and research programs. Some of the highlights include the Penguin & Puffin Coast, where visitors can observe these fascinating birds in a climate-controlled environment. The River’s Edge exhibit features hippos, elephants, and cheetahs in large, naturalistic enclosures. Families can also enjoy the zoo’s train ride, which provides a scenic tour of the grounds.
5. Columbus Zoo and Aquarium (Columbus, Ohio)
This zoo is famous for being connected to Jack Hanna, a well-known wildlife expert. The Columbus Zoo is home to more than 10,000 animals across six different regions, including the African Savanna and Asia Quest. Visitors can also enjoy the neighboring Zoombezi Bay water park and The Wilds, a massive conservation center. The zoo’s polar bear exhibit is particularly popular, allowing guests to watch the bears swim from underwater viewing areas. The zoo hosts a variety of seasonal events, such as Wildlights, a stunning holiday-themed light display.
6. Smithsonian’s National Zoo (Washington, D.C.)
Part of the Smithsonian Institution, this zoo offers free admission and is home to over 2,700 animals, including the beloved giant pandas. The National Zoo focuses heavily on conservation and education, making it a perfect place for families and students. Some of its standout exhibits include Amazonia, which replicates the lush rainforest environment, and the Great Cats exhibit, home to lions and tigers. The zoo also provides live animal cams, allowing people to observe animals from anywhere in the world.
7. Brookfield Zoo (Chicago, Illinois)
Located just outside Chicago, the Brookfield Zoo spans 216 acres and is famous for its cutting-edge animal enclosures, including the Tropic World indoor rainforest. The zoo is known for its hands-on exhibits and interactive programs for children. The Dolphinarium is a must-visit attraction where visitors can watch dolphins perform spectacular acrobatics. Another highlight is the Hamill Family Play Zoo, which provides hands-on experiences that allow kids to learn about wildlife through play and exploration.
8. Woodland Park Zoo (Seattle, Washington)
This award-winning zoo features realistic habitats, including a lush tropical rainforest and an African savanna. It is well-known for its conservation programs, especially its work with endangered species like red pandas and Malayan tigers. The zoo’s Humboldt penguin exhibit offers visitors an up-close look at these fascinating creatures in a setting that mimics their natural coastal habitat. In addition to animal exhibits, the zoo has beautiful botanical gardens and picnic areas for families to enjoy.
9. Houston Zoo (Houston, Texas)
With over 6,000 animals and 900 species, the Houston Zoo is a favorite attraction in Texas. The zoo has many interactive exhibits, including a giraffe-feeding platform where guests can hand-feed giraffes, and a large elephant habitat. The Kipp Aquarium within the zoo features colorful fish, jellyfish, and even sea turtles. The zoo is heavily involved in conservation programs worldwide, helping to protect species such as sea turtles and African painted dogs. Visitors can also take advantage of unique behind-the-scenes tours that offer a closer look at animal care.
10. Disney’s Animal Kingdom (Orlando, Florida)
Although technically a theme park, Disney’s Animal Kingdom functions as both an amusement park and a zoo. It offers incredible animal encounters, including safaris through the African savanna. The Kilimanjaro Safaris attraction lets visitors see giraffes, lions, zebras, and elephants roaming in a vast, open environment. The park also includes themed areas like Asia, where visitors can see tigers and Komodo dragons. The Tree of Life, a massive, intricately-carved tree in the center of the park, is another iconic sight that represents the park’s commitment to wildlife conservation.

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Final Thoughts
Each of these zoos provides a unique experience and a chance to see wildlife up close. Whether you are interested in conservation, education, or just a fun day out with family, these zoos offer something special for everyone. Many of them also participate in important breeding and conservation programs that help protect endangered species and educate the public about the importance of wildlife preservation. Next time you’re planning a trip, consider adding one of these amazing zoos to your itinerary!