Uploaded September 2025 | Updated September 2026, 2 weeks ago

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A 41,000‑square‑foot showpiece on Long Island’s Gold Coast, designed by Thomas Hastings of Carrère & Hastings, Alfred I. du Pont’s “White Eagle” was meant to be a summer retreat… yet he never spent a night there. In this episode of This House, we follow the estate’s extraordinary journey from Du Pont dream to Guest family icon “Templeton,” and its preservation today as NYIT’s de Seversky Mansion.

Location: Long Island, NY

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Public Domain Photos from: Library of Congress
CC BY-SA 3.0 Photos from: Wikipedia User: Muncharelli, A. Rasey, JERRYE & ROY KLOTZ MD
Assets from: Envato Elements
Music from Epidemic Sound