8. Solitary: Inside Red Onion State Prison
IMDb Rating: 7.3
Red Onion State Prison is one of the harshest prisons in the United States, where most of the prisoners spend 23 hours a day in tiny cells that get fractions of sunlight. This documentary is one of the rare opportunities for you to see the rough life of inmates in this prison. It depicts their everyday life while also featuring interviews with people who work in the prison.