Saint Arnold's is the oldest craft brewery in Texas and one of the largest craft breweries in America.  They have a wide variety of beers including Amber Ale, Brown Ale, Fancy Lawnmower, Weedwacker, Endeavour Double IPA, Elissa IPA and seasonals.  They have tours every Saturday from 12p.m., 1pm & 2pm with the tap closing at 3 p.m. and costs $8 per person. You receive a Saint Arnold souvenir tasting glass for four tastings, which comes out to about two pints.  On weekdays the taps open at 3pm with a tour at 3:30 and they close at 4:15.  

The brewery also sells Saint Arnold memorabilia including pint glasses (of all kinds), t-shirts, hats and so much more.
Fun place to go for a tour of a brewery, enjoy some good beer and hang out for a couple of hours.  Bring a picnic lunch.