City search:
http://houston.citysearch.com/
Houston Chronicle:
Houston Downtown Alliance:
http://www.downtownhouston.org/
Houston Galleria:
http://www.simon.com/mall/the-galleria
Space Center Houston:
http://www.spacecenter.org/
Houston Zoo:
http://www.houstonzoo.org/
Kemah Boardwalk:
http://www.kemahboardwalk.com/
Downtown Aquarium:
http://www.aquariumrestaurants.com/downtownaquariumhouston/
George R Brown Convention Center:
http://www.houstonconventionctr.com/
Houston museum of natural science:
http://www.hmns.org/
Houston museum of fine arts:
http://www.mfah.org/
Houston Texans:
http://www.houstontexans.com/
Houston Rockets:
www.nba.com/rockets/