This neighborhood was the favorite abode of the Parisian bourgeoisie in the last century and also one of the great laboratories for early 20th century residential architecture in France. From the flamboyant Art Nouveau of Hector Guimard's turn-of-the-century apartment buildings, the elegant Art Deco sobriety of Robert Mallet Stevens’ homes and studios for architects and artists, to the revolutionary “International Modern” architecture of Le Corbusier, discover the hidden treasures of one of Paris' least visited districts.