I was wondering if the exit of the Roman Forum puts you at the entrance to the Mamertine Prison. From a map, it appears it is right near a Roman Forum exit, but I can't tell if there are fences/obstacles preventing you from walking directly to the prison. I am looking for the easiest way to get from the Roman Forum to the Mamertine Museum. I don't want to go inside the prison but would like to take a photo of it. I also want to visit the Vittorio Emanuele monument and Trajan's Market, are they within easy walking distance from the Roman Forum exit?