If your trip to Houston is all locked in but your itinerary is a little on the empty side, let us give you a few hints and tips.You'll have to rise and shine if you're planning to see all the interesting attractions this place has to offer. Downtown Aquarium and Toyota Center are must-sees. Minute Maid Park and Menil Collection can't be missed either.Stop by Discovery Green. It's one sight you'll find on most visitors' must-do lists. If you still have some space on your itinerary, House of Blues Houston and Revention Music Center will keep you busy as well.