Hagley Museum and Library
Through the restored buildings of a mid-19th-century mill community on 235 acres along the Brandywine River, this indoor-outdoor museum provides an enlightening look at the development of early industrial America and the du Pont family's role in it. This is the site of the first of the family's black-powder mills (founded 1802) and family home. A visitor center has the excellent exhibition "Nation of Inventors," a fun, family-friendly experience that tells the stories of diverse American inventors over the centuries, using more than 120 patent models from various industries. Admission includes a narrated shuttle bus tour with stops at Eleutherian Mills, the du Ponts' 1803 Georgian-style home (guided house tour included); Workers' Hill, where costumed interpreters describe the life of a mill worker; and the Powder Yard, with demonstrations that show the dangerous work of the early explosives industry. The DuPont Company's history is explored in the Machine Shop. You can bring a picnic or buy sandwiches and such from a refrigerator and find a place to eat. Be prepared for some walking and allow a minimum of two hours for your visit, which can include tours and self-guided exploration.