Some of the world's 'stranger' dating sites include one for dating imprisoned women and so-called 'furries'.
'Women Behind Bars' is a dating website designed for people looking for a friend or pen pal of someone in prison.
The website states: "We help connect people with women who are in prison, allowing you to instantly become a pen pal to prisoners. You will definitely meet inmates that seek pen pals for a variety of reasons.
