Back by popular demand, Toast to the Tunnels takes you on a tour to explore the Christian Moerlein Malt House’s underground barrel vault tunnels, once home to the pre-Prohibition Kauffman Brewing malt house. A quick taste of history will be accompanied by a $10 flight of Moerlein beers in the taproom. Proceeds benefit the Betts House, currently exhibiting Bricks, Barrel Vaults & Beer: The Architectural History of Cincinnati Breweries.