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Photo: LINYperson615, CC BY-SA 4.0 via Wikimedia Commons
A historic park, preserve, museum, and art gallery owned and operated by Nassau County. The Elderfields Preserve consists of the historic Hewlett-Munson-Williams House – one of the oldest extant structures on Long Island (with the earliest sections dating back to the 1670s) – as well as the Art Guild.
Elderfields Preserve is a historic museum, farm, nature preserve, and cultural center located within the Incorporated Village of Flower Hill, in Nassau County, on Long Island, in New York, United States. it is owned and operated by the County of Nassau.
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Estate and home of poet and journalist William Cullen Bryant, located right on Hempstead Harbor. Now a county park. There are some additional historic Victorian houses along Bryant Avenue immediately north of the park, though these are private residences.
Located in the mansion of Congressman and magazine editor Lloyd Stephens Bryce.
A 12-acre botanic garden on the former estate of attorney Grenville Clark. Has 5,000 species of plants, with over 1,000 labeled trees, shrubs, and garden plants.
Contains hiking trails and three historic mansions: Castle Gould, Hempstead House, and Falaise
Former 1906 home and estate of steel magnate John Shaffer Phipps
One of the five U.S. military academies. The grounds and a museum are open to the public during the day, and tours can be arranged if reserved in advance