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Photo: Hayden Soloviev, CC BY 4.0 via Wikimedia Commons
Former 1906 home and estate of steel magnate John Shaffer Phipps
Old Westbury Gardens is the former estate of businessman John Shaffer Phipps (1874–1958), an heir to the Phipps family fortune, in Nassau County, New York. Located at 71 Old Westbury Road in Old Westbury, the property was converted into a museum home in 1959. It is open for tours from April through October.
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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.
Located in the mansion of Congressman and magazine editor Lloyd Stephens Bryce.
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.
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