The Saint Louis Zoo is located in Forest Park, Missouri, and is home to over 18,000 animals representing more than 500 species. Established in 1910, it is one of the oldest zoos in the United States and is known for its commitment to conservation and education. The zoo covers 90 acres and features various exhibits, including the River's Edge, Penguin & Puffin Coast, and Big Cat Country. Admission to the zoo is free, making it accessible to visitors of all ages. The Saint Louis Zoo also participates in global conservation efforts to protect endangered species.