Winterthur, Wilmington, Delaware. Winterthur Museum, Garden and Library is an American estate and museum in Winterthur, Delaware. As of 2011 it houses one of the most important collections of Americana in the United States of America. It was the former home of Henry Francis du Pont (1880–1969), a renowned antiques collector and horticulturist.
Founded by Henry Francis du Pont, Winterthur (pronounced “winter-tour”) is the premier museum of American decorative arts, reflecting both early America and the du Pont family’s life here. Its 60-acre naturalistic garden is among the country’s best, and its research library serves scholars from around the world. We invite you to visit and explore this place of beauty, history, and learning.