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Photo: Antony-22, CC BY-SA 4.0 via Wikimedia Commons
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.
The Clayton-Cedarmere Estates are located in Roslyn Harbor, New York, United States, listed jointly on the National Register of Historic Places & New York State Register of Historic Places in 1986.
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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.
Former 1906 home and estate of steel magnate John Shaffer Phipps
Contains hiking trails and three historic mansions: Castle Gould, Hempstead House, and Falaise
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