Looking for the ultimate Anheuser-Busch experience? Book the King of Beers tour at the Anheuser-Busch Brewery and Biergarten in St. Louis. The exclusive, four-hour adventure will take you to a variety of sites, including the fermentation cellars, beechwood aging cellars, finishing cellars, historic brewhouse, Clydesdale paddock and stables and beyond. The tour consists of three-plus miles of walking with a variety of drastic temperature changes, and it’s only available for guests 21 and older.