This richly illustrated volume delves into the evolution of Art Nouveau in three pivotal cities—Paris, Brussels, and Barcelona—during the late 19th and early 20th centuries. Emerging as a reaction against historicism, Art Nouveau sought to replace traditional forms with organic, plant-inspired ornamentation and functional design principles. In Paris and Brussels, the movement produced intricate floral motifs and innovative architectural elements, while in Barcelona, it became a profound expression of national identity.