The Topeka Zoo is a medium-sized zoo in Topeka, Kansas in the United States. It is located within Gage Park, just off I-70 in the north central portion of the city. Despite its size, it houses over 300 animals in a number of exhibits, including one of the first indoor tropical rain forests in the United States. It is one of the most popular attractions in Topeka, with over 250,000 visitors a year.