Chicago Federal Reserve Hosts Educational "Money Museum"

CHICAGO, IL - JUNE 22: One million dollars in $20 dollar bills is displayed at the Money Museum in the Federal Reserve Bank of Chicago June 22, 2011 in Chicago, Illinois. Established in 1914 the Chicago Fed is one of 12 regional Reserve banks that make up the nation's central bank which helps formulate the nation's monetary policy. Today the central bank said the economy will expand slower than previously thought, marking the second time this year that Fed officials lowered their forecasts for growth. (Photo by Scott Olson/Getty Images)