"Les Cités Obscures" is a series of graphic novels created by François Schuiten and Benoît Peeters. The stories are set in a unique universe filled with fantastical cities and intricate architecture, exploring themes of urbanism and society. The narrative often follows characters as they navigate these mysterious environments, revealing the complexities of their worlds. The series is known for its detailed artwork and imaginative settings, which blend elements of Art Nouveau and Steampunk. It has gained a cult following and has been influential in the realm of graphic literature, inspiring various adaptations and related works in different media.