http://www.50states.com/
Links to all 50 U.S. States and Capitals, state symbols, constitutions, representatives, newspapers, genealogy, maps and other interesting topics

http://www.americaslibrary.gov/es/index.php
Click on the name of the state you want to explore and get a few basic details about each state.

http://learner.org/interactives/historymap/index.html

http://50states.com/

http://www.ipl.org/div/stateknow/
Find out the basic facts of any state in the Union, including Washington, D.C.

http://www.law.ou.edu/ushistory/flags/index.shtml
View the flags of each of the 50 U.S. states

http://www.teachervision.fen.com/maps/resource/5104.html
Choose your state map, with or without capital cities or physical landforms. On their blank maps, students can mark their cities, natural resources, products, weather, etc.

http://bensguide.gpo.gov/3-5/state/index.html

Videos

http://www.youtube.com/watch?v=6IEUFmUR1d8

Teacher and the Rockbots, "Let's Learn the 50 States" - http://www.youtube.com/watch?v=mlRdfza8jHI&feature=related

Maps 101

http://www.maps101.com/


Databases


http://www.school.eb.com/elementary

http://search.ebscohost.com/login.aspx?authtype=uid