http://www.enjoyrome.com/index.html
Enjoy Rome--City Guide

http://www.romebuddy.com/knowsrome.html
Rome Buddy--Information Guide

http://www.romebuddy.com/givesadvice/subwayroutes.html
Rome Metro (subway) Map

http://mv.vatican.va/3_EN/pages/MV_Home.html
The Vatican Museums Online

http://mv.vatican.va/3_EN/pages/MV_Visite.html
Virtual Online Tour of the Vatican Museums

http://www.enjoyrome.com/tourist/cityguide/rome.for.free.html
Rome for Free!