Intricate Art Nouveau museum, grand staircase, ornate metal railings, decorative glass ceilings, lavish furnishings, sinuous lines, flowing curves, organic forms, natural materials, stone walls, wooden floors, stained glass windows, majestic chandeliers, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion, elegant exhibition spaces, interactive displays, educational signage, comfortable seating areas, serene ambiance, sophisticated color palette.