The Museum Night is the perfect opportunity to gather a variety of cultural treats during exceptional late-night openings. In Nogent-sur-Marne, in the Val-de-Marne, the Smith-Lesouëf Library—designated as a House of Illustrious—will open its doors on Saturday, May 23, 2026, for the 22nd edition of this highly anticipated spring event in Île-de-France. Ready for this special evening?
