Fort Worth is the fifth-largest city in the state of Texas and the eighteenth-largest city in the United States. Situated in North Texas, Fort Worth covers nearly 300 square miles (780 km²) in Tarrant and Denton counties, serving as the county seat for Tarrant County. As of the 2006 U.S. Census estimate, Fort Worth had a population of 653,320.The population now exceeds 700,000 according to a recent 2007 poll.The city is the second-largest cultural and economic center of the DallasFort WorthArlington metropolitan area (commonly called the Metroplex). Fort Worth and the surrounding Metroplex area offer numerous business opportunities and a wide array of attractions.Established originally in 1849 as a protective Army outpost at the foot of a bluff overlooking the Trinity River, the city of Fort Worth today still embraces its western heritage and traditional architecture and design more than its more contemporary neighbor, Dallas.read full wikipedia reference about Forth Worth, TexasOTHER POPULAR DESTINATIONS IN TEXAS