According to the Federal Reserve, there is approximately 1.39 trillion dollars worth of Federal Reserve notes (i.e. American physical money) in circulation worldwide. In addition, the Bureau of Engraving and Printing (BEP) prints billions of extra dollars every year, which the Federal Reserve then releases into the monetary system. On this website, readers will learn about the mysteries of U.S. Currency. Start with the introduction, then move on to sections dedicated to the history and significance of each of the American bills, ranging from the $1 Note to the $100 Note to Denominations Above The $100 Note. There are also fascinating sections dedicated to a History of the BEP and U.S. Currency and How Money is Made.