Houston is the fourth most populous city in the United States of America, and the most populous city in the U.S. state of Texas. According to the 2010 U.S. Census, the city had a population of over 2.1 million people within a land area of 599.6 square miles (1,553 km2). Houston is the seat of Harris County and the economic center of Houston–The Woodlands-Sugar Land, the fifth-largest metropolitan area in the U.S. with over 6 million people.
The most important places to visit in Houston are: Houston Zoo, Beer Can House, Houston Galleria, Houston Museum of Natural Science, Space Center Houston, Discovery Green, Williams Waterwall, National Museum of Funeral History and many more.
If you want to save time and money, the most important Houston travel tip is to compare prices before booking a hotel room or a flight. You can do this for free on http://bookinghunter.com, a site that searches through hundreds of other travel websites in real time for the best travel deals available.