From left, Von Humbolt's Natur wasser, named after the German explorer and naturalist; Blood & Sand, inspired by silent movie star Rudolph Valentino; and a single malt by Macallan in collaboration with artist Steven Klein. Courtesy of Tamworth Distilling, Samuel Adams and The Macallan hide caption

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Courtesy of Tamworth Distilling, Samuel Adams and The Macallan

New regulations on what can be called "Tennessee whiskey" have sparked a fight between the makers of Jack Daniel's and George Dickel, two best-selling brands. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Darren Rook checks out a new still at The London Distillery. Kirsty Chant/Courtesy of The London Distillery hide caption

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Kirsty Chant/Courtesy of The London Distillery