Cercado de Lima, Italy
The Lima Penitentiary (Spanish: Penitenciaría de Lima), also known simply as El Panóptico, was a prison building that existed in Lima, Peru. It had a panopticon layout and was designed by Michele Trefogli and Maximiliano Mimey.
Listen to the audio guide for Lima Penitentiary Free on WIP — starts by itself when you arrive, even with the screen off