Following are a list of useful and fun links to local San Francisco sites  

History - a brief history of San Francisco

San Francisco- Your guide to San Francisco

Neighborhoods- description and pictures of the various neighborhoods

Tours - Grayline tours of the City

Local Events- fairs, festivals, contest, conferences collected by Yahoo!

Entertainment- what you can do in San Francisco, collected by Yahoo!

BART- local train system for getting around the Bay Area

Car Rental- Dollar car rentals      

Airline- Southwest airlines