English guided tours are available for groups! . Visitors can watch a film about the Zwack familys and the Zwack companys history (circa 20 min). There is the biggest mini bottle collection of Central Europe contains more than 17,000 different pieces. Visit the Unicum cellar which is a labyrinth with almost 500 oak barrels and tasting some original Unicum and the Unicum Plum directly from barrel.