The New U.S. Dollar Will Surprise You and Scare You

What else can be said...

And this actually exists, but when it was issued it was worth a LOT more:



And looks like you could swap it for gold (what a concept!): "The largest currency ever printed by the United States was the $100,000 Gold Certificate, Series 1934. Printed from December, 1934 through January 9, 1935 and issued by the Treasurer of the United States to Federal Reserve Banks only against an equal amount of gold bullion held by the Treasury".