OPERATION TIME: 1913 to unknown
The Pratt Greenhouse was abandoned shortly after a fire that damaged part of it. The 204-acre estate used to belong to Harold Irving Pratt, who was the son of the oil magnate and philanthropist Charles Pratt. On the property, the estate includes a Georgian-style mansion, a former recreational building that is currently being used by the Nassau County Holocaust Committee, and several other small service buildings.
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