The Hanoi Hilton is perhaps the most famous American POW prison of the Vietnam War located in the city of Hanoi. In Vietnamese its name literally means “hell hole” but even hell cannot break the will of some American POWS like John McCain, the hero who endures years of torture, or the group of airmen who invent a secret communication code to talk to each other, and Jerimiah Denton who sneaks messages home on live TV.

A maximum-security prison on the banks of the Hudson, just 30 miles north of New York City, it gave rise to the term “being sent up the river”. “Old Sparky”–one of the first electric chairs in the world–takes over 600 lives. Famed escape artist Wille Sutton attempts an audacious plan. Julius and Ethel Rosenberg, cold War spies, fight for their lives on death row. And a 1983 spontaneous uprising where the inmates take control.

Dannemora, located in the frigid Adirondack mountains, its nickname is "little Siberia." Officially called the Clinton Correctional facility--this foreboding prison is commonly known as Dannemora--named after the town where it is built. The prison opens on June 3, 1845, as a source of free labor for the local mines. Here are three of the most incredible tales from inside its icy walls. First, a desperate convict Kenneth Kimes takes a Court TV producer hostage. Then, a superstar prisoner, Tupac Shakur, stirs up trouble, and finally- two murderers, Richard Matt and David Sweat, attempt a daring escape.

San Quentin located in Marin County on the San Francisco Bay is California's oldest prison dating back to the gold rush, and home to the state's only gas chamber. Here three men have tried to find their way out of the prison's clutches. George Jackson attempts to shoot his way out by sneaking a gun in an afro wig. Stanley "Tookie" Williams, co-founder of the Crips, attempts to write his way out of prison and earns a Nobel Peace Prize Nomination. Serial escape artists Forrest Silva Tucker enlists two other inmates to make a boat and row their way out of the prison. Will they make it?

Attica, a 90-year-old maximum-security prison in upstate New York, has a legacy of violence and inmate abuse stretching back decades. From the serial killer Son of Sam who gets his throat slashed, to an Irish mobster Mad “Dog” Sullivan who is the only person to have escaped the prison successfully, and the deadliest prison riot in American history.

Leavenworth located 25-miles northwest of Kansas City, was the largest maximum-security federal prison in the United States for over a hundred years.

France shipped prisoners to Devil's Island located off French Guiana so they would vanish from the public eye; its most famous prisoner, Alfred Dreyfus, is a military officer convicted of crimes he didn't commit.

Deep in the heart of the Confederacy, Andersonville was the last place a Union soldier wanted to end up during the Civil War; only opened for 14 months, it's the deadliest American prison, becoming the final resting place for over 12,000 men.

Located in the heart of London on the River Thames, the Tower of London's reputation for torture and beheadings fuels nightmares; originally built as a fortress by William the Conqueror in 1078, it becomes a prison in 1101.

Within the first forty years of operation of the Soviet Gulag system, at least 18 million people were imprisoned and more than one and a half million were killed; three tales of the fight for survival.