Metallic-feathered gryphon on a steam train emerges from a forest.

Art Nouveau illustration. A majestic gryphon with intricate, flowing lines and metallic feathers, perched atop a vintage steam train emerging from a dense, overgrown forest. The scene captures a harmonious blend of nature and machinery, with dappled sunlight filtering through the leaves. Art Nouveau style, Alphonse Mucha influence, elegant curves, organic forms, muted earth tones with brass accents, detailed linework, fantasy illustration, intricate details, masterpiece.