Brooklyn Botanic Garden (BBG) is a botanical garden in the borough of Brooklyn in New York City. Founded in 1910 and located in the Prospect Park neighborhood, the 52-acre (21 ha) garden includes a number of specialty "gardens within the Garden," plant collections, and the Steinhardt Conservatory, which houses the C.V. Starr Bonsai Museum, three climate-themed plant pavilions, a white cast-iron and glass aquatic plant house, and an art gallery.