The New York Botanical Garden, founded in 1891 and located in Bronx, N.Y., has one of the largest collections of plants. It features a plant museum, educational center for gardening and horticulture, and is an international center for plant research. The center has indoors and outdoors science museum for kids, and more than 50 gardens and plant collections centers in over 250-acre national historic landmark site. The garden has natural terrain of botanical gardens, including dramatic rock outcroppings, river and waterfall, rolling hills, ponds, and more than 50 acres of forest land. It additionally features a variety of historic buildings on the garden grounds, such as the Snuff Mill, landmark, library building, and the Stone Cottage.