 The park is also home to a 19th @-@ century <unk> manufactured around 1895 by Gustav <unk> of Philadelphia , Pennsylvania . Highland Park <unk> <unk> has been in operation since 1909 , is a National Historic Landmark , and is the world 's only two @-@ row stationary <unk> menagerie in existence . Its house is the only remaining original <unk> building built from a <unk> <unk> . Around Town <unk> <unk> is a public arts project of 62 <unk> horses , representing the historic <unk> . Sixty @-@ two pieces have been sponsored by local businesses and citizens , and design of the horses was conceived and painted by local artists . They are placed throughout the city and county . 
