Which US federal prison is known as having some of the most or the most dangerous prisoners in the country including the unabomber?

The US federal prison known for housing some of the most dangerous prisoners, including the Unabomber, Ted Kaczynski, is the ADX Florence in Colorado. This supermax facility is designed to hold inmates who pose the highest security risks and features extremely restrictive conditions. It is often referred to as the most secure prison in the United States. Inmates are kept in solitary confinement for 23 hours a day, ensuring maximum control and security.