The Nemours Mansion and Gardens is a 300acre country estate with jardin à la française formal gardens and a classical French mansion in Wilmington, Delaware. Built to resemble a château, its 105 rooms on five floors occupying nearly 47000sqft. It shares the grounds with the Alfred I. duPont Hospital for Children, both owned by the Nemours Foundation at 1600 Rockland Road. The estate is part of the DuPont legacy and is located on the DuPont Historic Corridor.OriginNemours was created by Alfred I. du Pont in 1909–10 as a gift for his second wife, Alicia, and named for the north central French town affiliated with his great-great-grandfather, Pierre Samuel du Pont de Nemours. Carrère and Hastings designed it. The architecture is of the Louis XVI-Rococo style of French architecture.FurnishingsThe mansion contains rare French 18th-century furniture and an eclectic collection of notable antiques, works of art, and tapestries. Artworks range from 16th-century religious works to paintings by the European masters to early works by Americans Frederic Remington and Sidney Lawrence. Of particular interest is a rare Louis XVI musical clock, circa 1785, by David Roentgen and Peter Kinzing, which plays four tunes on a dulcimer and pipe organ.