Woodford Reserve Distillery Tour
After the tour you go to the bar and they give you a taste test of the lovely Maker's Mark. One glass is like regular and the other is maybe straight or pure, or one is a lot older than the other.
This is where the sour mash ferments, producing the alcohol that will eventually become bourbon. These 12 foot deep cypress vats hold about 9,300 gallons of sour mash.
here's the article I wrote for it!
http://www.everywheremag.com/articles/89