The prison-museum is housed in a 19th-century building built by the Turkish authorities specifically for the prison. It was used as intended until the 1950s.
It is built entirely of stones, has two floors and a ground floor where Vasil Levski, Stefan Karadzha, Philip Totyu, Bacho Kiro, the participants in the April Uprising, the Botev Chetniks were detained and tortured.
The most sinister atmosphere, the inquisitive means of torturing the prisoners was restored. brutal torture.
The exposition is unfolded on the ground and first floor. The interior of three of the cells and quarters that functioned during the national liberation struggles were restored.