顧俠，請看這裏，突尼斯簽證所需要的文件

美國護照3月內不要簽證。其他國家:

REQUIREMENTS FOR NON-U.S. CITIZENS TO OBTAIN VISA TO ENTER TUNISIA
Tourist Visa

Submit your valid passport, must have at least 6 months remaining validity and contain at least one blank visa page
1 Visa Application Form, completed and signed
1 recent Passport-type photograph
Completed Cover Page and Credit Card Authorization forms (print from browser)
Copy of Alien Registration Card (Green Card)
Copy of air tickets or itinerary showing round trip transportation

http://www.traveldocs.com/tn/vr.htm