World map of countries with legalized prostitution. It's a state law in the US, and a few states in the recent past, parts of nevada now, and california cinsidering it, we make the sort of list. However, most of the other countries in the sort of list are much more lenient than us.
http://www.thrillist.com/travel/nati...l-prostitution
Rhode island prostitution,http://www.washingtonpost.com/blogs/...eased-sharply/
Oh, and according to the Elves, making personal porn is legal, so taking photos of a date can make an encounter legal... that is their statement on their web page (restated in my words)