American Currency Exhibit: This online exhibit of U.S. money presents the history as well as photographs of past and present bank notes.
Dollars and Cents: Fundamental Facts about U.S. Money: Information and trivia from the Federal Reserve Bank of Atlanta.
FAQs about United States Paper Currency: All you ever wanted to know about US paper money: how it is produced, whose picture gets chosen, how much is printed, trivia questions; from the US Dept. of the Treasury.
NOVA Online: Secrets of Making Money: Takes a look at the new U.S. currency, with interactive exploration of both new and old features.
Pomp: The True Story of the Baby on the Sacagawea Dollar: E-book tells the story of the baby born on the historic Lewis and Clark Expedition who would grow up to explore the American West.
The Liberty Bill Project: Children across the country are asking Congress to put an abridged version of the U.S. Constitution on the back of U.S. one dollar bills.
The MegaPenny Project: Find out what a thousand pennies, a million, or even one trillion would look like, how much they would weigh, what they would be worth, and how far they could reach.
The Quarter Craze: Learn about the US Mint, states, state quarters, and coin collecting.
The U.S. Mint's Site for Kids: The awesome history of coins and how the mint makes money. Interactive clubhouse for kids and teachers includes cartoons, history, and news.
The Wonderful World of Coins: Thinkquest Junior site includes facts about US coins, a quiz or two, and a simple hangman game.