Prison servers

Hey everyone, im looking for a new server type to play on and thats prison servers. The only issue is that all the prison servers i join dont have that feel of a prison, they are all too fancy. Im looking for realism, I want to be able to go from the mine to my cell without warping, where its all indoors except for certain activities! Another nice touch would be separate mines for different ranks! Id honestly build my own server but i dont want to buy a server