Right Vs Left (world). Political infographic by David McCandless & Stefanie Posavec. McCandless has a great website and has produced some books on the subject.
Project Based Learning to teach- Goods & Services, Producers & Consumers, Needs vs. Wants, Supply & Demand
A free printable crossword puzzle (with a solutions page) featuring facts about some of the states in the United States - perfect for upper elementary and middle school students.
The White House, 1600 Pennsylvania Avenue