If your trip to League City is all booked but your itinerary is a little on the empty side, we can give you a few hints and tips.Johnson Space Center - NASA deserves more than just a quick drive-by. Step out of your car and take your time discovering this landmark attraction while you're in League City.Plan a stop at League Park. It's one attraction you'll usually find on many visitors' to-do lists. The Main Event and Helen's Garden are also a stone's throw away and worth taking the time to see.