http://www.quia.com - lots of fun grammar and vocabulary activities for different languages
http://www.webcast.it/ - live radio and TV programs in Italian
http://www.virtualvenice.com - a virtual trip to Venezia
http://www.comune.venezia.it/museicivici - the collections of the Civic museums in Venezia
http://www.ilpaliodisiena.com - The Palio of Siena
http://www.pompeiisites.org - the museums of Pompeii (this site actually shakes)
http://www.sorrentoradio.com - live radio of Sorrento
http://www.calabriaonline - Calabria
http://www.flavoursofitaly.it - gastronomical info on the various Italian regions.
http://www.gotoroma.com - Rome site
http://musicaitaliana.com - Italian music site
http://www.virgilio.it - Italian search engine
http://www.itb.it/metroNA -Napoli
http://www.fs-on-line.com - Treni Italia