The city's environment is defined by its low-lying, flat terrain and extensive water systems.
: Houston is largely built on marshes, prairie, and forested land, with sedimentary layers extending down 60,000 feet. houston
: A $100,000 salary goes further in Houston than in many other major U.S. cities, ranking it among the top 10 for purchasing power. The city's environment is defined by its low-lying,