Founded in 1875, the Buffalo Zoo, located at 300 Parkside Ave in Buffalo, New York, is the third oldest zoo in the United States. Each year, the Buffalo Zoo welcomes approximately 400,000 visitors and is the second largest tourist attraction in Western New York; second only to Niagara Falls. Located on 23.5 acres (9.5 ha) of Buffalo's Delaware Park, the zoo exhibits a diverse collection of wild and exotic animals, and more than 320 different species of plants.