Your tax dollars hard at work.  Here are some good government resources.

Government Statistics

http://www.stat-usa.gov

What does the government do best?  Compile statistics.  This page is a good source for original government documents if you have a good idea of what you are looking for. 

Maps!

http://www.nationalatlas.gov

This site has loads of govenment information in map form.  It also has a function that allows the user to combine information and create their own maps.

World Governments/United Nations

http://www.un.org/Pubs/CyberSchoolBus/

This is the United Nations' site designed for students and educators.  It has information on individual countries as well as international events.

U.S. Census

http://factfinder.census.gov

This site has the information collected by the census, analyzed and searchable.

Facts and Statistics

http://www.factcheck.org

Something about the numbers in that paper not ringing true?  Double check it with help from the folks at the Annenberg Foundation.

Intellegence and Foreign Policy

https://www.cia.gov

This is the Central Intellegence Agency's public offering.  Under the Library section is the World Factbook, a document that contains general information on nations and United States foreign policy.  There are many other useful publications  under the library section and on the "Kid's Page".