Allagash Brewing (Portland, ME) has room separate from the main brewhouse that contains a coolship, which is literally looks a bit like a bathtub. It allows airborne yeast to fall into the beer, spontaneously fermenting the beer. These funky beers are referred to as the Coolship Series. Above Single Barrel One. Aged in bourbon barrels.
Style: American Wild Ale (Barrel Aged. Bourbon)
Availability: 12.7 oz bottles