Houston, Texas


Houston is the largest city in the State of Texas and the fourth-largest city in the United States. General Sam Houston, the city’s namesake, was the first president of the Republic of Texas as well as general in the Texas' fight for independence.

Houston, the city, was the first word spoken from the surface of the moon.

Houston is the home of the Texas Medical Center—the world's largest concentration of healthcare and research institutions.

Houston's economy has a huge industrial base in energy, manufacturing, aeronautics, and technology; and is home to many Fortune 500 headquarters.



Houston Underground

There’s a tunnel system underneath those Houston skyscrapers downtown. The Tunnel is one of Houston's best-kept secrets, most of downtown's 150,000-person workforce - and thousands of visitors - use it every day, particularly when it's raining or close to 100 degrees above ground.

Included are 77 buildings in downtown Houston containing a variety of restaurants, shops, and services all located twenty feet beneath the streets and on elevated walkways.

Johnson Space Center

NASA's Johnson Space Center is where Mission Control is located. Gemini, Apollo, Skylab, the Space Shuttle and the International Space Station Projects went through Mission Control here.

Johnson Space Center continues in its primary mission to lead NASA's effort in human space exploration.


  • To return astronauts to the moon by 2020, using the Ares and Orion spacecraft.
  • To test technologies and techniques for exploration of Mars and other destinations.


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