The Philadelphia Zoo, established in 1874, is the first zoo in the United States. It spans 42 acres and is home to over 1,300 animals, including many endangered species. The zoo focuses on conservation and education, providing visitors with opportunities to learn about wildlife and their habitats. Visitors can explore various exhibits, such as the Big Cat Falls and The McNeil Avian Center, which showcase diverse animal species. The zoo also features a unique Zoo360 system, allowing animals to roam in elevated trails, enhancing their natural behaviors while offering guests a different perspective on wildlife.