Visitor Visa before deciding to Study in USA

[immihelp]

I want study in u s a. But first i want to see that where i would study so i can get round trip visa to visit there. If yes then where do i have to go to apply for round trip visa. I haven't applied for student visa too please
help me

Thanks

[immihelp]

Look at http://www.immihelp.com/visitor-visa/