The Deadliest Prisons (Tier List)
How to Survive Show
Mar 28, 2026 17:00
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If you think you know how bad prison can be, think again. Prisons all over the world seem to be competing with each other to be crowned the worst in the world. And today, we're ranking some of the deadliest in history.
Each prison will fall into one of the following categories: Hard Knock Life, Maximum Misery, Abandon All Hope and Welcome to Hell. Some of these prisons are no longer around, thankfully. But others are still going strong, and trust me, you do not want to end up in one of these living nightmares.
Some made it. Many didn't. How To Survive digs into the real stories behind disasters, tragedies, and extreme moments, and the decisions that made all the difference.
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Note: This video is not intended to be a substitute for professional advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have seen on this channel. If you think you may have an emergency, call your doctor, the ambulance or the police immediately. Underknown does not recommend or endorse any specific tests, physicians, products, procedures, opinions, or other information that may be mentioned in this video. Reliance on any information provided by Underknown is solely at your own risk.
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