International Affairs
The Benjamin A. Gilman International Scholarship program funds undergraduate study abroad.
http://www.iie.org/gilman
The National Security Education Program offers grants and scholarships across the field of international affairs.
http://www.iie.org/programs/nsep/nsephome.htm
Sciences
The National Science Foundation funds a range of research opportunities for undergraduates through its Research Experiences for Undergraduates (REU) pogram.
http://www.nsf.gov/home/crssprgm/reu/start.htm
The Council on Undergraduate Research (CUR) coordinates and supports research for undergraduates, especially in the sciences.
http://www.cur.org
The Ornithological Council posts grant opportunities for undergraduates on its web site "Birdnet."
http://www.nmnh.si.edu/BIRDNET/Grants
The Sigma Xi Society provides small grants to students conducting independent research in all areas of science and engineering.
http://sigmaxi.org
National Oceanic and Atmospheric Administration Coastal Services Center provides a list of undergraduate fellowships in marine biology, oceanography, and environmental studies.
http://www.csc.noaa.gov/cms/fellows/undgrad_opportunities.html
The Smithsonian National Museum of Natural History offers fellowships and internships for undergraduates.
http://www.nmnh.si.edu/rtp/information/index.html
The Smithsonian Astrophysical Observatory offers a summer internship at their Harvard University facility.
http://hea-www.harvard.edu/REU/REU.html
The Academy of Natural Sciences in Philadelphia hosts an undergraduate internship program in summer.
http://www.acnatsci.org/research/reu.html
The Marine Biological Laboratoryin Woods Hole, Massachusetts offers a range of opportunities for undergraduates.
http://www.mbl.edu/education/
Humanities
The Getty Museum in Los Angeles offers a summer internship to students from culturally diverse backgrounds.
http://www.getty.edu/grants/education/multicultural_getty.html
John Hopkins University offers an extensive list of research opportunities in the humanities.
http://www.jhu.edu/advanced/ugrad/humanities/internships.html
Technology
The Center for Educational Technology in Middlebury hosts two summer opportunities: 1) a 4 week intensive program in digital media production and media studies that includes both advanced instruction and self-directed project work; 2) an intensive training program in GIS. After completing this course, the student then works with a Middlebury faculty member on a project that incorporates GIS into the curriculum
http://cet.middlebury.edu/prgm_regional_astp.php
The Student Immersion/Faculty Focus program in GIS offers a week of GIS training followed by a summer of work with a faculty member on a curricular project using GIS.
http://gis.nitle.org/workshops/siff.htm