Here's how the world's top-selling Kentucky Straight Bourbon is made
The corn-based recipe came from Beam's father, a German immigrant.
Save for Prohibition, the Jim Beam Stillhouse has been churning out quality bourbon ever since - the company says it sells seven million cases of bourbon globally per year.
Today its distillery offers tours of its impressive facilities.
In honor of National Bourbon Heritage Month, here's a look at the work behind the bourbon that ends up in your glass.