Ornate boathouse, Art Nouveau style, curved lines, flowing shapes, organic forms, floral motifs, whiplash curves, sinuous contours, asymmetrical composition, stained glass windows, intricate ironwork, ornate wooden doors, natural materials, earthy tones, lake or river setting, lush greenery surroundings, vintage nautical elements, warm sunset lighting, misty atmosphere, soft focus, dreamy ambiance, old-world charm.