Smithsonian American Art Museum in Washington, D.C..

She walks with her eyes closed, her hand reaching for something no one else can see. This is Lady Macbeth in her final unraveling – the sleepwalking scene from Act V, captured in white marble by German-American sculptor Elisabet Ney in 1905, just two years before her own death.

Ney gave her not madness but something quieter and more terrible: a woman entirely alone inside her own mind, still trying to clean what cannot be cleaned.