Mental Floss is a magazine that gives a very...quirky view of the world. It introduces little known facts and information that we might not have sought to find in addition to providing us well known facts and information in a new and usually very different perspective. This link is to the "Geography Challenge" an online quiz that extensively tests ones knowledge of the world and could serve as a fun way to present the world.
This module illustrates ways in which Americans can participate in the democratic process, and highlights individuals who have made a difference by getting involved
Many of these links correspond with instructional goals. Social studies classes are supposed to make students into informed citizens, so teachers could find "The importance of civic participation" very useful.
I would find this site very useful for teaching an American government class. It is a useful supplementary site to show how our principles of government as found in the Constitution manifest themselves today.
Developed for students as well as the general public, these interactive learning activities are designed to give you a fresh perspective on how the United States Congress works, your role in the process, and peoples' perceptions about Congress. To open the modules, click the graphic.
This site provides links to other organizations or foundations that have created lessons. They also have state standards and lesson plans for teachers to use as guides.
This site explores various aspects of current political life (E.g. criticism of Congress, how Congressional members decide to vote, how the legislative process works, etc) via interactive links for students to explore for themselves