Here are some websites to help you gain information and resources about different career fields:

Arts 

AICAD (The Association of Independent Colleges of Art and Design) Career Overviews
Offers a broad overview of art-related careers, as well as specific information about different career areas in the arts.

AIGA
The professional association for design, AIGA is "the premier place for design-to discover it, discuss it, understand it, appreciate it, be inspired by it."

Art Careers, Jobs, and Salaries
From ArtSchools.com, this website highlights the typical career paths pursued by art graduates, with a variety of additional help links and resources.

Museum Work: Put Your Skills on Exhibit
This article from the Occupational Outlook Quarterly offers a detailed overview of careers in museum work.

Visual Arts Career Guide
Explore careers in art with links to job descriptions, which include information such as daily activities, skill requirements, salary and training required. 

Business

Business Careers, Jobs, Training and Employment Information
Find reliable and relevant information on variety of careers in business.

Careers in Banking
From the American Bankers Association.

Careers-in-Business.com
Designed to help you find satisfying jobs in the business world. Whether you're considering an investment banking job or a fulfilling non-profit career, this site brings you the latest scoop on various business career areas including jobs, salaries, what people are saying and entry requirements.

National Association for Business Economics (NABE) Careers Center
NABE® is an association of professionals who have an interest in business economics and who want to use the latest economic data and trends to enhance their ability to make sound business decisions.  This site includes professional profiles of NABE members.

Communications/Media

Media Communication Careers, Jobs, and Training Information
Find detailed information about different career paths for those in media studies and communication.

WriteJob.com Career Resources
Provides general career resources for those interested in journalism, media, publishing, technical, and medical writing.  

Community/Leadership

Idealist Career Center Resources
Offers a series of informational guides about starting a career in community changes and development.

 

Consulting

Careers-in-Consulting.com
Presents key information needed to enter consulting jobs including an overview of the industry, descriptions of firms and common practice areas, comparisons to other jobs, interviewing practice and advice and a discussion of some of the powerful ideas consultants are using to reshape organizations.

Consulting Career, Job, and Training Information
Reviews the basics of consulting, including how to enter the field and find success.

Management Consulted
Written by a former management consultant, this blog provides an overview of the management consulting field and covers topics such as resume writing, case interviews, and recruiting.

Dance

Careers in Dance
Provides a summary of different occupational titles affiliated with the dance field.

Education

All Education Resource Center
Provides an overview of the different education fields, including salary, job ideas, and a "day in the life" profile.

Careers in Student Affairs
Offers information about working in the field of college student affairs, with helpful resources on professional organizations and other ways to get started in the field.

Masters in Education Guide
Provides information about pursuing a career in the education field, as well as certification requirements by state.

Teachers Count
Site where potential teachers can read through the advantages of becoming a teacher, learn about the process of entering the profession and link to scholarships that will ease the high cost of education. Browse through the included links to gain valuable information about how you can become a teacher.

TheTeacherCenter.org
Learn about different areas of education, including classroom teaching, school leadership & support, and education paraprofessional roles.

Environmental

Acres U.S.A.
North America's oldest, largest magazine covering commercial-scale organic and sustainable farming.  While it has a minimal online presence, it is highly recommended as a resource for those interested in sustainable agriculture.

Green Career Central
Reviews the idea of a "green economy" and discusses different green careers.  Introduces a 7 step plan to embark on a green career. 

Green Careers Guide
Provides information on a variety of green career fields.

Green Economy Map
Provides an interactive map with information on careers that help to support a green economy in a variety of different professional sectors.

O*Net Green Career Sectors
Generated from O*Net Online, this site allows you to browse through career options in the green economy sector and gain insight into the tasks, skills, knowledge, and credentials required to find green employment.

TreeHugger
With topics ranging from science, fashion, food, and much more, TreeHugger provides information and action steps for those committed to a green lifestyle.

Foreign Languages/Multicultural

Careers for Foreign Language Majors
Provides examples of career titles and fields that language majors may wish to contemplate.

Careers Using Language
Offers information about the ways that language can be incorporated into a career.  Includes an overview of the linguistics field.

Government and Legal

I Want to Become a Lawyer.  What Should I Do?
Answers a variety of frequently-asked questions about becoming a lawyer.

State and Local Government on the Net
Divided by state, this page reviews the different bureaus and agencies that exist within state and local governments.

What Do Lawyers Do?
Provides an overview of working as an attorney as well as a list of careers connected to the law.

What Kinds of Federal Jobs Are There?
Developed by the Partnership for Public Service, this component of the "Making the Difference" website provides information about different options for federal government employment.

Health

ExploreHealthCareers.org
Learn about different health care career fields, including medicine, environmental health, veterinary medicine, allied health professions, and many others.

Health Care Careers Directory
Produced by the American Medical Association, this website offers job descriptions, educational requirements, and professional associations for various health care fields.

Nonprofit

Idealist Career Center
Offers links to articles, blogs, and resource guides for individuals considering a career in the nonprofit sector.  Check out the downloadable book "Idealist Guide to Nonprofit Careers for First-Time Job Seekers."

Peace studies

Earlham College Peace & Global Studies Resources
Developed by Earlham College, this site lists jobs and graduate programs attended by former students of the Peace & Global Studies program.

Peace and Collaborative Development Network
Links to the discussion board of this professional development association for those working in international development, conflict resolution, gender mainstreaming, human rights, social entrepreneurship, and related fields.

Psychology

Careers in Psychology
Get information about various career paths in psychology, counseling, therapy, and social work.  Includes details about the nature of the work, licensure requirements, and graduate programs.

Publishing

About Publishing- From Bookjobs.com
Provides an overview of the various types of book publishing.

Getting into Publishing
From the Society for Young Publishers, this page gives basic information about publishing courses and training, how to get started in publishing, where to look for jobs, which books to read and where to look for help to get your work published.

Science/Research

Careers in Forensic Science
Provides an introduction to forensic science- a career that combines science and service in the interests of society, justice and public safety.

Working in the Aquatic Sciences
From ASLO (The American Society of Limnology and Oceanography), this document provides the background and resources to enable you to pursue your interest in aquatic science.

Technology

Tech Careers
Offers various tips, tools, and resources for those interested in technology career fields.

Theatre

Get Into Theatre
Provides information about working in different areas of theatre, including technical, creative, management, and other aspects of theatre.

Women's Studies

Guide to College Majors in Women's Studies
Highlights the academic and professional path that women's studies majors often take.

National Women's Studies Association
A professional association for those who work in women's studies, the NWSA offers a wide range of resources and research tools.  Student memberships are available.