O*Net: The Occupational Information Network is a comprehensive database of worker attributes and job characteristics. As the replacement for the Dictionary of Occupational Titles (DOT), O*NET will be the nation's primary source of occupational information.
Career Insider: a searchable collection of hundreds of candid career reports written by" insiders", successful professionals who are actually doing the job.
CareerOneStop: Federally funded resource for career information and inspiration
Career Overview: offers a wealth of useful and reliable career, job and employment information provided by the U.S. Bureau of Labor Statistics
University of Waterloo: Their site has Steps to Career/Life Planning Success which helps you identify career choices.
University of North Carolina at Wilmington hosts a cool web tool called "e;What Can I do With A Major In....?". It will take you to a wealth of links for specific majors, including related career titles, major skills needed, and websites for job listings, career information and professional associations