Elijah Craig 18 Year Old Single Barrel Kentucky Straight Bourbon Whiskey. Ready to experience some of the oldest Bourbon barrels in Kentucky? Our 18-Year-Old Bourbon is bottled solely from the contents of one barrel, not the mingling of many. This expression of Bourbon-making craftsmanship is bold and robust. Truly a Bourbon for the avid collector, this bottle has won countless awards and is regularly listed as a top choice by those who appreciate its smooth yet complex flavor.