Just visit the Federal Reserve Bank in New Orleans

-you can make your own
$ 100 banknotes for nothing

It was raining that day, so when I'd finished in the bank I had to scuttle into an ice cream shop. Eating ice cream in the rain is a challenge worth attempting, but the rain in New Orleans is quite warm and also provides a ready excuse to shelter in bars and drink rum. After that I found a museum of old crap, including a HPLC analyser from 1986...