Zoos have long been cherished places for people of all ages to connect with wildlife, learn about conservation, and enjoy spectacular animal encounters. In the US, numerous zoos stand out not only for their diverse species collections but also for their commitment to animal welfare and conservation. In 2025, some zoos continue to lead the pack by offering world-class exhibits, innovative habitats, and enriching visitor experiences. Here is a detailed look at some of the best zoos in the United States that everyone interested in wildlife should visit.
San Diego Zoo, California
The San Diego Zoo remains arguably the most famous and widely visited zoo in the country. Located in Balboa Park, this 100-acre zoo is renowned for pioneering the concept of cage-free, naturalistic animal habitats. It is home to over 12,000 animals representing more than 650 species, including some rare and endangered animals like the giant pandas Xin Bao and Yun Chuan. The zoo recently made headlines as the only North American zoo to host Giant Pandas after Zoo Atlanta returned theirs to China.
What truly sets the San Diego Zoo apart is its extraordinary commitment to conservation. The zoo has successfully reintroduced 44 species back to their natural habitats and continues to invest in species survival programs worldwide. Visitors can explore must-see exhibits like the Elephant Odyssey, Panda Trek, and the expansive Safari Park, which combines wildlife preservation with immersive visitor adventures. The zoo is open year-round and offers various guided tours and VIP experiences for visitors aiming for an in-depth exploration. Accessibility features and a variety of dining options also make it a comfortable destination for all visitors.
Cheyenne Mountain Zoo, Colorado
In 2025, Cheyenne Mountain Zoo earned the prestigious title of the #2 Best Zoo in the US, according to USA TODAY’s 10Best Readers’ Choice Awards. Located in Colorado Springs, this unique mountainside zoo invites visitors to connect closely with animals in a natural mountain setting. The zoo is famous for its Rocky Mountain Wild exhibit, showcasing native species in immersive habitats alongside daily keeper talks and demonstrations.
The Cheyenne Mountain Zoo attracts over 800,000 annual visitors with its engaging events such as small-group tours, special seasonal programs, and conservation efforts emphasizing native and endangered species. The zoo’s community support and interactive experiences help create meaningful connections between people and wildlife, earning it a well-deserved spot as a leading American zoo.
Smithsonian National Zoological Park, Washington, D.C.
The Smithsonian’s National Zoo in Washington, D.C. is a cornerstone of wildlife conservation and education. With free admission, it attracts millions of visitors annually and houses about 2,700 animals. Roughly 20% of its species are considered threatened or endangered, underscoring the zoo’s important conservation role.
Visitors love exploring the zoo’s beautifully designed habitats, including the popular Red Panda Habitat on the Asia Trail and the Amazonia rainforest exhibit. One of the recent highlights is the reopening of the Giant Panda exhibit with two pandas, Bao Li and Qing Bao. The zoo also offers ample educational programs and talks, making it a top destination for families and animal lovers alike. The Smithsonian Zoo requires reservations but welcomes guests year-round with a variety of accessibility features.
Columbus Zoo and Aquarium, Ohio
Another major name in 2025’s best zoos is the Columbus Zoo and Aquarium, home to nearly 10,000 animals of hundreds of species. The zoo stands out for its robust conservation initiatives, particularly as a participant in the AZA’s Species Survival Plan helping endangered animals thrive.
Top exhibits include the Heart of Africa with lions, zebras, and giraffes, Asia Quest featuring a vast indoor aviary, and a stunning aquarium with sharks, jellyfish, and more. Visitors recommend dedicating two days to fully explore the zoo’s expansive grounds and diverse animal habitats. The zoo also offers sensory-friendly maps and tours, making it inclusive for visitors with different needs. The Columbus Zoo balances fun and education while maintaining a strong mission of species preservation.
Brookfield Zoo, Illinois
Situated near Chicago, the Brookfield Zoo is treasured for its immersive and interactive exhibits. Guests can get up close with grizzly bears in the Great Bear Wilderness, observe polar bears, or marvel at the Western lowland gorilla troop in Tropic World. The Regenstein Wolf Woods introduced rare Mexican wolves to a naturalistic setting, enhancing conservation awareness.
The zoo offers a variety of engaging programs such as Wild Encounters and motor safaris that enhance visitor experience. Reviews praise the zoo for its active animals, well-curated exhibits, and family-friendly atmosphere. The zoo operates nearly every day, with ticket prices reasonable for visitors looking for a rich, immersive wildlife adventure close to a major city.
Other Notable Zoos Worth Visiting
Several other zoos consistently rank among the top in the US, each offering unique experiences:
- Omaha’s Henry Doorly Zoo and Aquarium (Nebraska) is often celebrated for its large, diverse animal collection and impressive aquarium.
- Bronx Zoo (New York) offers sprawling habitats and is one of the largest metropolitan zoos in the world.
- Cincinnati Zoo & Botanical Garden (Ohio) is known for effective breeding programs and excellent botanical gardens.
- Jacksonville Zoo & Gardens (Florida) combines animal exhibits with beautiful gardens.
- San Antonio Zoo (Texas) stands out for its family-friendly programs and interactive exhibits.
Why Visit These Zoos?
Visiting the best zoos in the US goes beyond mere entertainment. These institutions play critical roles in global conservation efforts, endangered species survival, and public education. Most leading zoos engage in scientific research, rehabilitation, and reintroduction programs to help restore wildlife populations worldwide.
For visitors, these zoos provide memorable wildlife encounters with habitats designed for animal welfare and visitor engagement. They foster awareness of environmental issues and inspire people to support preservation initiatives. Whether it’s watching giant pandas, admiring wild cats, or exploring tropical rainforests, the best zoos offer experiences that combine wonder, learning, and conservation responsibility.
In summary, the best zoos in the US in 2025 include established leaders such as the San Diego Zoo, Cheyenne Mountain Zoo, Smithsonian National Zoo, Columbus Zoo, and Brookfield Zoo among others. They excel in animal care, conservation, visitor engagement, and educational outreach, making them destinations worth visiting for wildlife enthusiasts and families alike.
