Musée Nissim de Camondo
Bordering the Parc Monceau, the Musée Nissim de Camondo is unlike most museums. Entering this impeccably-preserved early 20th-century mansion feels more like walking into an aristocrat’s private home than visiting a museum, a feeling heightened by the fact that only a handful of other visitors might be milling about. The home features a superb collection of 18th-century French decorative artwork and furnishings, and the interiors are preserved in their original condition, an absolute must for any interior design enthusiasts.