Internships, Teen Jobs and Seasonal Jobs

AmeriCorps
AmeriCorps is a national network of community service workers divided into several different programs: State, National, Vista and National Civilian Community Corps (NCCC). Students involved with the program have an opportunity to earn money for college. Seniors, adults and students can apply from this site.
Back Door Jobs
Designed for the short-term adventure job seeker. This site lists jobs and internships in ranches, resorts, camps, artistic endeavors, and various outdoor opportunities.
Global Experiences
Provides leads on international internships, fashion programs, summer programs, volunteer opportunities, and adventure travel around the world.
GrooveJob.com  
A search engine for part-time jobs, teen jobs, student jobs and summer jobs. Search by city or zip code.
iAgora.com
From a European commercial site, this link provides interesting links to internships throughout Europe.
idealist.org  
This site offers information on working in a nonprofit setting. It also provides a searchable database of jobs, volunteer opportunities, internships and consultant work.
InternshipPrograms.com
A commercial internship search engine, this site requires the user to complete a free registration to access the listings.
Studentjobs.gov  
A joint project between the US Office of Personnel Management and US Dept. of Education's Student Financial Assistance office, this site provides information on federal jobs for students and a job search engine.
Study Abroad
Use this site to find opportunities to study abroad, including internships, intensive language programs and summer-only study. Programs can be searched by subject, country or city. The site also offers a helpful handbook for those going abroad and financial aid information.
SummerJobs.com  
SummerJobs.com offers summer jobs and seasonal staff positions with camps, resorts, national parks, hotels, environmental organizations and more. Summer job searches are free or users can research prospective employers.