RU
Affiliate Links:
American Institute for Foreign Study
American Intercontinental University
Australearn is a good place to start
when considering studying abroad in Australia or New Zealand.
They'll help you take care of a lot of those small details you
might not think of.
Salzburg College, Austria
Study
Abroad Links:

StudyAbroad.com is a great place to start, with lots of information.
If you have an idea of where you want to go, you can search their
directory by country.
The
Council on International Education
Exchange is one of the oldest organizations that focuses on
student travel. Tons of resources and home of the
International
Student Identity Card (ISIC) -- the card that's the only real
proof that you're a student. It'll get you discounts worldwide.
(And you can buy one at the RU Bookstore for $20 plus the cost
of getting a passport size photo taken.)
The
Center for the Advancement
of Language Learning isn't precisely an abroad site, but it
does have useful information on foreign languages.
BUNAC
WORKING ADVENTURES WORLDWIDE
Work
Abroad in Britain, Ireland, Canada, Australia, or New Zealand!
Intern
abroad in New Zealand!
Volunteer
Abroad in South Africa or Peru!
www.bunac.org
Other
Study Abroad Resources:
US Travel Abroad
Center for Disease Control 
The Electronic Embassy
United States Council for International Business
- Customs Regulations
GPO Access