Here are the top 10 Largest Zoos in the World
1. Henry Doorly Zoo and Aquarium, Nebraska, USA
Often topping the list of the Largest Zoos in the World, the Henry Doorly Zoo and Aquarium in Omaha, Nebraska spans over 130 acres. It is world-renowned for its immense biodiversity and cutting-edge facilities. With more than 17,000 animals from over 950 species, this zoo sets the benchmark for modern zoological parks.
One of the zoo’s main attractions is the Lied Jungle, one of the largest indoor rainforests globally. Visitors can walk through a lush tropical habitat filled with monkeys, tapirs, and exotic birds. The Desert Dome is another marvel—it’s the largest indoor desert in the world, complete with meerkats, reptiles, and a ghost town replica.
The Henry Doorly Zoo also houses a massive aquarium that allows you to walk through a tunnel surrounded by sharks and stingrays. Conservation is at the heart of this facility, with active breeding programs for endangered species. For those seeking an unforgettable wildlife encounter, this is a zoo that truly delivers on scale and substance.
2. Berlin Zoological Garden, Germany
As one of the most historic and expansive animal parks, the Berlin Zoological Garden is not only one of the Largest Zoos in the World, but also one of the most visited. Opened in 1844, it spans 86 acres and houses over 20,000 animals from approximately 1,300 species—more than any other zoo in the world.
Berlin Zoo is famous for its architectural beauty and spacious enclosures. It played a pivotal role in the post-war rebuilding of Europe’s zoological collections. Today, it boasts rare species like the giant panda, the okapi, and the maned wolf. The zoo’s commitment to species conservation and breeding programs has made it a respected name in the global zoological community.
Visitors can explore the adjoining Berlin Aquarium, one of the oldest and most extensive aquariums in Europe. Whether you’re a wildlife lover, history buff, or casual tourist, the Berlin Zoological Garden offers a unique blend of size, diversity, and tradition that earns it a top spot among the largest zoos in the world.
3. Bronx Zoo, New York, USA
Located in the heart of New York City, the Bronx Zoo covers 265 acres and is undoubtedly among the Largest Zoos in the World. It is one of the few zoos situated in an urban area that manages to maintain a deep forest feel with plenty of open, naturalistic exhibits.
Home to over 6,000 animals representing 700 species, the Bronx Zoo is known for its conservation efforts and award-winning exhibits. The Congo Gorilla Forest is a standout attraction, offering close-up views of gorillas in a lush, re-created African rainforest. Other popular areas include Tiger Mountain, the Himalayan Highlands, and World of Birds.
As part of the Wildlife Conservation Society, the Bronx Zoo has a strong emphasis on education and sustainability. Visitors not only enjoy a day of exploring vast landscapes and exotic creatures but also learn about the threats animals face in the wild and how they can help protect them. Its scale, mission, and visitor experience secure its place on any list of the top ten largest zoos in the world.
4. Toronto Zoo, Canada
With over 710 acres of land, the Toronto Zoo is Canada’s largest zoo and a natural entry in the Largest Zoos in the World. Divided into seven geographical regions, the zoo houses over 5,000 animals and focuses on displaying them in habitats that closely resemble their native environments.
From the African Savanna and Indo-Malaya to the Americas and Tundra Trek, each section offers a distinct wildlife experience. The zoo is home to polar bears, gorillas, rhinos, and even rare species like the Amur tiger and Sumatran orangutan. Its diverse range of animals and ecosystems ensures there’s always something new to explore.
Toronto Zoo is also heavily involved in research and conservation initiatives, including captive breeding programs and partnerships with global wildlife organizations. Interactive displays, educational programs, and nature trails make this a top destination for families and animal enthusiasts. Its sheer size and scope earn it a definitive place among the largest zoos in the world.
5. Moscow Zoo, Russia
Founded in 1864, the Moscow Zoo is not just one of the oldest but also one of the Largest Zoos in the World. It spans 53 acres in the heart of Russia’s capital and is home to over 8,000 animals representing around 1,000 species.
Despite its urban location, the Moscow Zoo impresses with its extensive animal collection and modern facilities. It features large open enclosures, a marine aquarium, and even a children’s zoo with hands-on experiences. Some of the zoo’s highlights include the big cat habitats, elephant enclosure, and aviaries for exotic birds.
The zoo also serves as a major research center, with a biological institute that focuses on animal behavior and conservation. Its long history, constant modernization, and wide species variety make it a prominent player in the global zoo community and a fixture among the largest zoos in the world.
6. Beijing Zoo, China
Spanning more than 220 acres, the Beijing Zoo is home to over 14,500 animals and is rightly considered one of the Largest Zoos in the World. It was established in 1906 and is especially famous for its collection of rare Chinese species, including the iconic giant panda.
Visitors can explore various thematic sections, such as the Panda House, Tiger Hill, and the Gorilla Pavilion. The zoo also features an extensive aquarium and several beautiful gardens that reflect traditional Chinese landscaping.
The Beijing Zoo plays an active role in scientific research and education, and its breeding programs have helped increase the populations of several endangered species. Combining size, cultural richness, and biodiversity, this zoo offers a memorable experience and a valuable perspective on China’s wildlife heritage.
7. San Diego Zoo, California, USA
No list of the Largest Zoos in the World is complete without the San Diego Zoo. Covering 100 acres in Balboa Park, it might not be the largest by land area, but it makes up for it with innovation, species diversity, and visitor experience.
The zoo houses over 12,000 animals from 650 species and subspecies. Its open-air, cageless exhibits set the standard for modern zoos. From the Koalafornia Adventure to the Elephant Odyssey, every corner of the San Diego Zoo is a testament to thoughtful design and animal welfare.
As a pioneer in conservation, the San Diego Zoo Global initiative supports wildlife protection across the globe. The zoo’s scientific research, education programs, and immersive experiences make it not only large in scope but also in impact. It is globally recognized for its leadership in the zoological field.
8. National Zoological Gardens of South Africa, Pretoria
The National Zoological Gardens in Pretoria covers over 210 acres and is the largest zoo in South Africa. It deserves its place among the Largest Zoos in the World due to its impressive layout and diverse collection of animals from across the globe.
The zoo is home to over 9,000 animals from more than 700 species, including African elephants, lions, leopards, and rhinos. It also features a notable reptile park and an extensive aquarium that houses hundreds of marine and freshwater species.
What sets this zoo apart is its combination of a safari-like experience and academic research. It offers cable cars, golf cart rentals, and extensive walking trails, allowing visitors to comfortably explore its vast grounds. As a key center for education and conservation in Africa, this zoo provides not just entertainment but also insight into the continent’s rich natural heritage.
9. Columbus Zoo and Aquarium, Ohio, USA
The Columbus Zoo and Aquarium is a well-respected facility that easily ranks among the Largest Zoos in the World. Spanning over 580 acres—including its water park and golf course—it offers one of the most comprehensive zoological experiences in North America.
Home to more than 10,000 animals across 600 species, the zoo is divided into global regions such as Asia Quest, Heart of Africa, and North America. Each area is filled with immersive habitats and engaging activities for all ages. The zoo’s Heart of Africa exhibit alone spans 43 acres and features giraffes, lions, and cheetahs in wide, naturalistic spaces.
The Columbus Zoo is deeply involved in global conservation and has raised millions for endangered species projects. Its educational programs, community outreach, and dedication to animal care make it a leader in the field and a must-visit destination for animal lovers worldwide.
10. Zoo Miami, Florida, USA
Rounding out our list of the Largest Zoos in the World is Zoo Miami. Covering an impressive 750 acres, this is the largest zoo in Florida and one of the most expansive in the United States. It’s the only subtropical zoo in the continental U.S., allowing it to house animals from Asia, Australia, Africa, and the Americas.
With more than 3,000 animals representing 500 species, Zoo Miami offers wide, open-air exhibits and lush vegetation. Its unique climate enables naturalistic environments for a broad variety of species, including Komodo dragons, Malayan tapirs, and African elephants.
The zoo emphasizes conservation, sustainable practices, and animal welfare. Visitors can enjoy interactive experiences like giraffe feedings, tram tours, and water play zones for children. Its combination of size, diversity, and educational value secures Zoo Miami’s position as one of the largest and most enjoyable zoos on the planet.
