Originally Posted by DarkScribe
Erotica is not another word for porn. Both porn and erotica serve to stimulate sexual desire, but in the case of erotica, it is done legally and usually with taste. Porn is crude and generally more gynecological than artistic in nature. You will find erotic images on public display in many well known museums, but you won't find porn there.
Porn is of course legal also.
And go to well know sex museum and you will of course find porn there.