7 Stunning Art Nouveau Gems in Paris You Never Knew Existed
4. Metro Entrances by Hector Guimard
Guimard designed these iconic Paris metro entrances between 1900 and 1913, with plant-like structures made from cast iron and glass. Notable stations include Abbesses, Porte Dauphine, and Palais Royal, all of which have become symbols of Parisian design.