From whiskey tastings to a triathlon, there is plenty to do in The Woodlands this weekend. Whiskeys of the World Party April 20 Guests will get to sample some of the finest whiskeys from around the world during this event hosted by VOM FASS. Light appetizers will be served, and patrons will receive 10 percent off all purchases. 6-7:30 p.m. $20. VOM FASS, 1950 Hughes Landing Blvd., Ste. 1800, The Woodlands. 281-296-7102. www.thewoodlands.vomfassusa.com Houston Symphony-The Music of Led Zeppelin April 21 Conductor Martin Herman will lead the Houston Symphony through Led Zeppelin tunes on the The Cynthia Woods Mitchell Pavilion stage. Guests can bring a picnic for dinner. However, no outside beverages will be allowed inside the gates. Doors open at 7 p.m., and the music starts at 8 p.m. $20 for orchestra level seats, free mezzanine and lawn seating. The Cynthia Woods Mitchell Pavilion, 2005 Lake Robins Drive, The Woodlands. www.woodlandscenter.org Parents Night Out April 21 The Nutty Scientists of Houston will host a four hour parents night out for children ages 5-12. Activities for children for the evening will include making soap, playing games, participating in a mini talent show and a movie. Pizza will be provided from Stoner’s Pizza Joint, located next door. 6-10 p.m. $35 for the first child, $25 per sibling. Nutty Scientists of Houston, 8000 McBeth Way, Ste. 160, The Woodlands. 281-719-0873. www.nuttyscientists.com/houston Ironman Texas April 22 The Ironman Texas Triathlon will take participants on a 2.4-mile swim, 112-mile bike and 26.2-mile run through The Woodlands area. To view road closures, click here. The first wave of triathletes will begin at 6:25 a.m. Northshore Park, 2505 Lake Woodlands Drive, The Woodlands. www.ironman.com Hughes Landing Birthday Bash April 23 Hughes Landing is celebrating its first birthday with family-friendly events, such as live music, inflatables and carnival games. Cupcakes and a birthday T-shirt can be purchased with a $10 minimum donation. 1-5 p.m. Free. 281-719-6100. www.thewoodlands.com