This is one of the best places to learn about occupations. It is current and gives a thorough background on the job, including: typical duties, required training and education, salary, outlook, and links to more information.
is a database of occupational requirements and worker attributes. It describes occupations in terms of the skills and knowledge required, how the work is performed, and typical work settings. It is a comprehensive source of descriptors, with ratings of importance, level, relevance or extent, for more than 900 occupations that are key to the U.S. economy. (Formerly known as the Dictionary of Occuptional Titles.)