The city supports an art museum and a symphony orchestra. The home of author James Thurber is preserved as a literary centre. The city maintains a large park system, and there is a conservatory and botanical garden east of downtown. The Columbus Zoo, located in the northwest near Dublin, is one of the country's most renowned zoos. Area reservoirs (including Griggs, O'Shaughnessy, and Hoover) are also popular recreational venues, as is Alum Creek State Park north of the city. Scioto Downs and Beulah Park have horse racing. Annual events include an arts festival (June), the state fair (August), and Oktoberfest.