Pink Granite Castle of Castrovalva

The looming pinnacle of Castrovalva rises as a stark pink granite keep perched atop sheer cliffs, its jagged silhouette visible through the woodland mist. Rough-hewn blocks of rose-colored stone catch the fading light, resisting both time and concealment, while the Doctor's companions glimpse its crumbling battlements as their final refuge against the encroaching Master's devices. Its oppressive grandeur frames every perilous step Nyssa and Tegan take while hauling the Zero Cabinet, the castle’s impossible architecture defying their desperate race to reach safety.