There are plenty of websites providing you with a wide variety of touristic information on Rome and surroundings. Here is a little choice:

• http://www.rome.info/
• www.turismoroma.it
• http://www.italyguides.it/us/roma/rome_italy_travel.htm
• wikitravel.org/en/Rome
• http://en.wikipedia.org/wiki/Tourism_in_Rome
• http://en.wikipedia.org/wiki/List_of_tourist_attractions_in_Rome
• http://www.rome-airport.info/in.html