Medieval European architecture, Dark Ages, castle ruins, rugged stone walls, moss-covered towers, grand halls with high ceilings, stained glass windows, heavy wooden doors, iron hinges, torches, candles, dim lighting, mysterious atmosphere, misty surroundings, overgrown vegetation, abandoned, neglected, weathered stones, crumbling arches, Gothic style, Romanesque influence, rustic, eerie ambiance, moonlight, foggy night.