May 17-20 is American Craft Beer Week. This is what they have listed for events in TX (I'm sure more will be added):
Humperdink's ArlingtonAnd this is from Flying Saucer:
Description: We will be tapping one 1/2 bbl. keg of The Chocolator Reserve (chocolate double bock). Brewery tours will be available Tuesday, May 18th from 5:30-7:00 p.m.
Draught House Pub & Brewery
Description: Each night of the week we will have a different brewery representative in house to talk about and sample their beers with merchandise give aways. These are free events. On Sunday will will host a beer and cheese tasting with 8-10 pairings. This will be a ticketed event.
Humperdink's N.W. Hwy.
Description: We will be tapping one 1/2 bbl. keg of our 2009 Oak Aged Maibock. Brewery tours available Monday, May 17th from 5:30-7:00 p.m.
Humperdink's Greenville Ave.
Description: We will be tapping one 1/2 bbl. keg of our Vanilla Porter. Brewery tours will be available on Wednesday, May 19th from 5:30-7:00 p.m.
Freetail Brewing Co
San Antonio, TX
Description: May 17: Craft Beer Week Kicks off with our Spring Beer Dinner. $45 + tax & gratuity. Tickets on sale May 1 May 18:Craft Beer Week Recession Buster. Pint night drops to $2/pint for ONE DAY ONLY! May 19: Release of Solera III May 20: Barrel Aged La Muerta keg release. Only 5 gallons, so get here early. Keg tapped at 6pm. May 21: Craft Beard Week. Start growing those funky beards now - Jason and John Lee will judge and the best beard will win a $50 Freetail gift card (ladies, you can participate too - make a fake beard!) May 22: Craft Beer Week Battle of Wits IV. Chris Taylor Band live on the patio 8-11pm.