The Château de Chantilly offers visitors many grand rooms to explore, including the parterre gardens designed by Le Nôtre in the late 17th century which provide stunning views. The library contains over 44,000 books and 1,500 manuscripts. Various rooms in the château showcase different eras through their furnishings, like the Monkey Room from 1737 and the Grand Cabinet Corner from 1720. Other notable rooms include the Picture Gallery, Rotonde, Great Stables built for the Prince of Condé in the 18th century, and the chapel housing the hearts of the Princes of Condé.