Liberty Jail is a significant historical site located near Kansas City in the USA. Built in 1833, this structure originally served as the Clay County Jail and remained in operation until 1856. Today, it attracts visitors with its unique history and architecture, providing insight into the 19th-century penal system.

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The jail building is a two-story building measuring 4.2 by 4.4 meters, constructed with maximum security in mind. Its massive outer walls are made of rough limestone 60 centimeters thick, while the inner walls are made of durable oak. The structure was specifically designed to eliminate any possibility of escape: a 30-centimeter gap was left between the outer and inner walls and filled with stones for extra strength.
The interior layout of the jail was also carefully planned. The upper floor was intended for the jailers, while the lower compartment, where the prisoners were held, was completely isolated. It could only be accessed through a special trapdoor located on the upper floor. Ventilation in the prisoner's cell was provided by only two narrow windows with iron bars, measuring 60 centimeters wide and 15 centimeters high, emphasizing the harsh conditions of confinement.