Internships & Seasonal Work

General Internship Sites
CollegeGrad.com
CollegeMarketPlace.com 
Ferguson Career Guidance Center
internJobs.com
InternWeb.com
Internship Resources for College Students - Quintessential Careers
Internships-USA
    (Email Career Center
for username and password)
Internships.com (Email Career Center for login instructions)
InternshipPrograms.com
Internship Listings - Skidmore College
One Day, One Internship
USAIntern.com

Internships for Specific Interests & Geographical Locations
Employment Information - National Park Service
Idealist (global non-profits)
Internships/Jobs - Outdoor Adventure Professional Network
Internships & Jobs - Student Conservation Association
Internship Opportunities - NASA

Top Employers
Best Internships for 2010 - Forbes.com
Internships: The Best Places to Start - BusinessWeek
Top Intern Employers for 2010 - CollegeGrad.com
Top Internships 2010 - Vault.com

Federal Government Internships
StudentJobs - USAJobs
How to Find and Apply for Federal Internships
students.gov - Scroll down to "Career Development"

Internship Housing
Internship Housing Opportunities 
DC Housing Guide

Seasonal & Summer Jobs
backdoorjobs
CampDepot.com
CampJobs.com
Camp Staff 
Care.com
Choice Camps
College Caregivers - Care.com
CoolWorks
Employment Information - National Park Service
Great Camp Jobs
Job Monkey.com
mySummerCamps.com
Online Job Applications
ResortJobs.com
SeasonalEmployment.com
SKIJOB1 - Vail Resorts
SnagAJob
South Carolina Summer Camps - SCIway.net
Summer Job Listings - Skidmore College
Summer Opportunties - Petersons
USAJOBS -  Summer Jobs in the Federal Government (Search using keyword "summer.")
YMCA Summer Camp Vacancy List

Overseas
International Internship Opportunities - University of California, Irvine
Internship Links, International Organizations - US Department of State
InternAbroad - GoAbroad.com
Internships Abroad - Transitions Abroad

Overseas Visa & Placement Organizations
BUNAC
CEI Club des 4 Vents
InterExchange Working Abroad
Internships Down Under