Houston and Walton are two cities in the United States. Houston is the largest city in Texas and the fourth most populous city in the United States. Walton is a small town in Kentucky, located in Boone County. The term 'Houston and Walton' can be summarized as two cities in different states that have different populations and sizes. The crossword solution for this term is SAMS, which stands for the South Atlantic Municipal Services, an organization that provides services to both cities.