This place contains cells in which prisoner see no light. This prison was built 150 years ago, and since then, prison conditions have not changed much. San Quentin is filled with the most violent criminals. So, there are a large number of guards.
Image Courtesy: sanquentinnews.com
Thai Bang Kwang prison is better known as the "Bangkok Hilton". It is filled with inhabitants who struggle with insanity and thus spend the first months of their sentences with a chain shackled feet.
Image Courtesy: blikk.hu
Rikers Island, New York, is notorious for brutal pressure of guards. This place is primarily filled with criminals from ethnic minorities and people charged for drug and girls trafficking, violence and aggression.
Image Courtesy: time.com
ADX Florence Supermax Facility
This prison is located in Colorado and was built in response to the serious attacks on guards and prison staff at other U.S. prisons. Inhabitants of this prison mostly suffer slow psychological torture by security guards.
Image Courtesy: ubah-ubah.blogspot.com
Alcatraz Island Prison
This prison, known as "The Rock," or "Devil's Island", has been built for the criminals who violated the laws of the Great Depression. Alcatraz is known for its unique construction project, which made escape almost unthinkable.
Image Courtesy: surviving-history.blogspot.com
La Sante Prison
According to a former prison officer, Veronique Vasseur, this place is just like hell, where prisoners are forced to sit in cramped cells, full of rats and lice.
Image Courtesy: commons.wikimedia.org
This Turkish prison has been repeatedly mentioned as an example of human rights violations, and places where a normal person would soon become a bandit himself if he survives. This prison is notorious because of hellish conditions and sexual violence against its inhabitants.
Image Courtesy: amog.com
La Sabaneta Prison
Venezuela is also known for its brutal prisons, where violence is a daily occurrence. Prisoners are given modest health services and they ultimately suffer with lack of food and terrible hygiene.
Image Courtesy: hubpages.com