10] Alcatraz, San Francisco, California
Often called as ‘The Rock’ or ‘Devil’s Island’ is a prison hell that was built in the 1920s and was designed in such a way that escape was improbable. As the inmates lost contact with the outside world, they were subjected to abusive and arrogant guards who imposed complete silence.
9] Gitarama Central Prison, Rwanda
Often called as hell on earth, all prisoners were doomed to eat, sleep, live, rot, and die squeezed together with four men per square yard in the roofless brick box called the Gitarama Prison. Built for 400 people, the population increased to 7,000 in the mid-1990s in the wake of the Rwandan genocide, and prisoners were left to die. Amidst dysentery and despair, prisoners stand cramped together under all weather conditions, choking on the smoke of cooking fires, and suffering from gangrene. They even resorted to eating each other’s flesh out of sheer desperation.
8] Diyarbakır Prison, Turkey
This prison is known for number of instances of physical and mental torture, it also know for its unlivable conditions, sexual abuse of inmates, and for incarcerating even children for life. To escape their situations, inmates attempted hunger strikes, committed suicide, and even set themselves on fire.
7] ADX Florence Supermax Prison, Colorado
This is one hell of a prison having maximum security, it was built in response to the attacks committed against the guards and staff of other prisons in America. Since prisoners are isolated from the staff and they cannot go anywhere, inmates suffer from psychological torture which lead some to commit suicide.
6] El Rodeo, Guatire, Venezuela
the Venezuelan prisons were flooded with 50,000 prisoners, two-thirds of which were still awaiting sentencing. On June 12, 2011, a visitor day at El Rodeo erupted into a blood sea between rival gangs and resulted in a siege that lasted over a month.
5] La Sabaneta, Venezuela
This is one of the most brutal penal facilities in South America, violence is a daily dose. Prisoners are at the mercy of diseases, insufficient food and care, little to no medical services, and underpaid staff.
4] Bang Kwang Prison, Thailand
This is called as the most violent prison in whole Thailand, which is also known for being overcrowded, understaffed, and having deplorable living conditions.
3] Tadmor Military Prison, Syria
In June 1980 President Hafez al-Assad ordered the killings of all prisoners as retaliation for the attempted assassination on his life by the Muslim Brotherhood. The massacre lasted for 2 weeks killed some 800 to 2,400 inmates.
2] Carandiru Prison, Brazil
This prison has recorded 1,300 deaths in the course of its 46 years in history. It was closed down in 2002 due to the campaigns of Amnesty International amidst reports of gross human rights violations.
1] Camp 22, North Korea
This prison came into lime light in 2012 after its warden defected to China, was an isolated prison for political prisoners and has been in operation since 1965. There were the death camp that has subjected inmates to extreme torture and human experimentation in which they become lab rats for biological weapons like anthrax, bomb testing, and other brutalities.