Casa Batllo (World Heritage Site) - One of 2 houses by Gaudí in Barcelona that can be toured. truly amazing and worth the visit. go in the mornings, before the site gets crowded with architecture students.
Before the term "Art Nouveau" became common . [many names referred] specifically to the organic forms that were popular with the Art Nouveau artists: Stile Floreal ("floral style"), Lilienstil ("lily style"), Style Nouille ("noodle style"), Paling Stij