The museum contains over 4,500 works including a unique collection of "art brut". Its two innovative buildings are set in a pleasant sculpture garden dotted with works by the likes of Calder, Picasso and Dodeigne. Most of its internationally-renowned collection of modern art comes from a donation made in 1979 by the Masurel family, an important family of northern French industrialists. It has been enriched over the years and now boasts work by such artists as Braque, Derain, Klee,Laurens, Léger, Miró, Modigliani, Picasso, Rouault... In 1999, the museum received another donation: the largest collection of art brut in France, from L'Aracine, an association of artists whose members included Corbaz, Crépin, Darger, Forestier, l’Abbé Fouré, Gill, JHauser, Josome, Hodinos, Leclercq, Lesage, Robillard, Smilowski, Wölfli and Zinelli. Over the years, contemporary art has inched its way into the LaM.