Intricate Art Nouveau museum, grand staircase, ornate metal railings, lavish chandeliers, curved lines, organic forms, flowing patterns, stained glass ceilings, marble floors, intricate mosaics, wooden paneling, velvet drapes, ornamental furnishings, eclectic artifacts, natural history exhibits, impressionist artwork, soft warm lighting, shallow depth of field, 1/2 composition, realistic textures, ambient occlusion.