Houston is a large metropolis in Texas, extending to Galveston Bay. It’s closely linked with the Space Center Houston, the coastal visitor center at NASA’s astronaut training and flight control complex. The city’s relatively compact Downtown includes the Theater District, home to the renowned Houston Grand Opera, and the Historic District, with 19th-century architecture and upscale restaurants. Located in the heart of Houston, Texas Medical Center campus is home to leaders in research, medicine, and innovation in healthcare.Houston is prized for its diversity and is considered one of the best places to live in Texas due to the energy industry and its affordable cost of living.