Delegation to the United Nations (1950–1956). In 1960, at the suggestion of Robert Moses, the Perkins-Freeman family deeded Wave Hill to the City of New York. In 1983, the estate was added to the roster of the National Register of Historic Places. Before 1987, the estate was known as Perkins Garden. During that year Parks Commissioner Henry Stern renamed it Wave Hill. In 2005, Wave Hill was among 406 New York City arts and social service institutions to receive part of a $20 million grant from the Carnegie Corporation, which was made possible through a donation by New York City mayor Michael Bloomberg. On an annual basis, about 65,000 people visit Wave Hill, making it one of the most popular sites in Riverdale. Gardens Wave Hill's formal gardens feature a variety of plants, usually based on type. Garden areas include: The T. H. Everett Alpine House, named for Thomas H. Everett, who advocated for the preservation and restoration of Wave Hill as a New York City Landmark and who was mentor to its founding Director of Horticulture, Marco Polo Stufano Herb and Dry Gardens Aquatic & Monocot Garden Bee hives in the woodland area The Herbert & Hyonja Abrons Woodland, of native second-growth forest, with a woodland path that stretches around the perimeter of the property The Marco Polo Stufano Conservatory—including a cactus room, a tropical room, and a palm room The Perennial Flower Garden Pergola and vistas of the Hudson River and the New Jersey Palisades Special Collections, including the Shade Border, Elliptical Garden and Conifer Slope Wild Garden Additionally, Wave Hill's gardens is a hotspot for birding in New York City, with 127 species to date — including ruby-throated hummingbirds, great blue herons, and bald eagles. It also abuts Riverdale Park. Programs Wave Hill offers a variety of programming around horticulture, the arts, and education. Shop The Shop contains gifts from local artists as well as nature-themed and handmade items. The Shop is located in the Perkins Visitors Center. Gallery See also List of botanical gardens and arboretums in the United States List of New York City Designated Landmarks in the Bronx National Register of Historic Places listings in the Bronx References Further reading External links Arboreta in New York (state) Art museums and galleries in the Bronx Botanical gardens in New York City Historic house museums in New York City Houses in the Bronx Houses on the