Residents in Houston eat out more times a week than in any other city in America.
It is home to the largest medical center in the world. The Texas Medical Center is located in Houston and contains 54 medicine-related institutions. The medical center exceeds 1,000 acres and gets an average of 7.2 million visits per year.
Houston has an underground pedestrian tunnel system. The tunnel is 20 feet below the ground and runs for seven miles, linking 95 city blocks.