Two Brothers offers brewery tours on the weekend as well. They also have a hombrew store right next to the restaurant. If you're in that area check out walter payton's roundhouse in Aurora as well.
There are so many places in the area for great craft beer, but one of my personal favs is Piece Brewery & Pizzeria in Chicago. (around North and Damen)
Outstanding beer, and their pizza is awesome as well. (not traditional Chicago style) That atmosphere is fun, and there is always a livley crowd.
In Chicago you can't beat Revolution Brewing Company and Piece Pizza and Brewing. My favorite beer from RevBrew is the Willie, a Wee Heavy Scotch Ale brewed with applewood smoked malt or possibly the Eugene Porter on cask. When on cask the Eugene has a creaminess and a punch of oaky vanilla.
At Piece...hands down the Dark 'n Curvy Dunkelweizen. The best DW I can remember.
Come to S. Illinois...our best "Craft Beer" (really micro-brew) comes from St. Louis - Schlafly's...hands down one of the finest Micros in the country!