Founded in 1910, the St. Louis Zoo originated with animals left in the city from the 1904 World’s Fair, including bears, wolves, and deer. Today, the zoo is home to more than 17,000 animals representing over 600 species, including numerous rare and endangered species from around the globe. The 1904 World’s Fair, held in Forest Park, played a significant role in establishing St. Louis as a prominent city. Discover intriguing facts about the origins of the St. Louis Zoo, recent developments, and future aspirations. To register, please call 1-800-613-3163.