Discover the hidden side of Art Nouveau—beyond the familiar icons. Behind its most celebrated masterpieces lies a more intimate world of secret places and forgotten wonders. Secret Art Nouveau unveils 70 exceptional yet little-known sites across Europe - from ornate villas and grand casinos to bathhouses, winter gardens, fountains, and secluded architectural treasures. The result of over a decade of dedicated research and privileged access, this exquisite volume brings together the striking photography of Phil Lewis and the expert insights of Heike Maria Johenning. Their work reveals the intricate motifs, symbolism, and cultural connections that define Art Nouveau across 20 European countries, from France to Hungary, via Italy, Spain and Romania. Far removed from the well-trodden landmarks, these rare locations - often hidden behind closed doors or nestled in unexpected cities - offer a fresh, refined perspective on one of Europe’s most captivating artistic movements. Richly illustrated and beautifully produced, this is a book to return to again and again. Why you’ll love this book: A curated selection of 70 rare and hidden Art Nouveau sites Exceptional photography with exclusive access to private locations Insightful exploration of design, symbolism, and European influences A refined, high-quality volume ideal for display An elegant gift for collectors and lovers of art, architecture, and travel  A captivating addition to any library, Secret Art Nouveau invites you to explore a more intimate and unexpected vision of Europe’s artistic heritage - one that rewards curiosity and reveals beauty where few think to look