Led by regional historian Hayden Mathews, step into a world of elegance and holiday splendor in a journey through the historic Brandywine Valley, where the legacy of the du Pont family comes to life in grand estates filled with seasonal displays. Spanning Pennsylvania and Delaware, the region is home to some of the most opulent mansions and gardens in the country, each with a connection to the du Pont family, who shaped the cultural and economic landscape of the region and created a heritage of architecture, art, and horticulture.