Built from 1837, for Jacques-Antoine Bidermann (1790-1865) and his wife Evelina Gabrielle du Pont (1796-1863). It was transformed from a 12-room Greek-Revival manor into a 175-room colossus predominantly under the ownership of Henry Francis du Pont (1880-1969). Through his passion for horticulture and Americana, du Pont purposefully transformed his home into the "Winterthur Museum, Garden and Library". Today, the mansion covers 96,582 square feet, making it the 5th largest historic house in the United States; and, the estate is considered one of America's finest. The museum itself houses the world's premier collection of American Decorative Arts....