There are several breweries in the Boston area but my favorite is Boston Beer Works. I have a particular fondness for the Fenway location. Recently family and I enjoyed several beers on tap.
left: Mad Hops Imperial IPA
right front: Back Bay IPA; Watermelon Ale
left: Saison Nouveau, Belgian-style
right: Back Bay IPA, cask-conditioned
We also drank Haymarket Hefe Weizen and forgot to order the Fenway American Pale Ale.