Serving time can be a very different experience depending on where you are in the world and which prison you end up in. Of course, being incarcerated is by no means a pleasant experience. Some institutions can make it a little bit more bearable for inmates, while others can make the experience not only unpleasant but dangerous.
In this gallery, we explore some of the most bizarre prison rules and regulations from around the world, both past and present. Click on and prepare to be surprised.