City of Pasadena
This is their official home page, and contains much information about the city.
Pasadena Convention and Visitors Bureau
Lots of links to the various sites and attractions around town.
Caltech's Pasadena page
Info about Pasadena, oriented for incoming students.
Lycos' City Guide to Pasadena
Another city guide, includes links to dining, travel, and entertainment.
Yahoo's Pasadena Section
City guide runs the information gamut--more informative than the Lycos guide.
The LA Times presents this handy online guide to places to eat, things to do and sites to see all over the Southland.