USA, Canada / Marriage Laws - me and my Polish woman want to live in the States [5]

Hello all,
I am an American man who has been dating a Polish women from Warsaw. We have been together now for close to three years. We have talked about getting married soon. Is there anywhere I can review the laws, or anything related to the matter. I have been to Poland twice and she has been to the States three times. I just finished University and now looking to be with her full time. We want to live in the States for now, because of work and all. If anyone can help it would be great. Thanks for your time.