120 Minute IPA, Dogfish Head Craft Brewed Ales from America's Bitterest Brews Slideshow

America's Bitterest Brews Slideshow

Flickr/ Bernt Rostad
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120 Minute IPA, Dogfish Head Craft Brewed Ales
To create this extreme elixir, the Delaware brewery (founder Sam Calagione is the star of the Discovery Channels "Brew Masters") uses heaps of hops during the brewing process, then ages it for several more months with even more hops. The result: 120 IBUs and a head-spinning 18 percent ABV.