United States of America

University of Pennsylvania http://www.upenn.edu/
Virtual Tour http://www.upenn.edu/admissions/tour/
Graduate Programs at Penn http://www.upenn.edu/programs/graduate.php
Graduate Admissions http://www.upenn.edu/provost/graduate_admissions/
Penn & Philadelphia http://www.upenn.edu/campus/penn_philadelphia.php
Philadelphia links http://www.upenn.edu/campus/philadelphia.php
http://www.gophila.com/

United Kingdom

Education UK http://www.educationuk.org
Prospects – the UK’s official Graduate careers website:  http://www.prospects.ac.uk/
Visit Britain http://www.visitbritain.com/