Fort Worth is the 17th-largest city in the United States of America and the fifth-largest city in the state of Texas .  Located in North Central Texas, the city is a cultural gateway into the American West [ citation needed ] and covers nearly 350 square miles (910 km 2 ) in Tarrant , Denton , Johnson , Parker , and Wise counties—serving as the seat for Tarrant County. According to the 2013 census estimates, Fort Worth had a population of 792,727.  The city is the second-largest in the Dallas–Fort Worth–Arlington metropolitan area.
The city was established in 1849 as an Army outpost on a bluff overlooking the Trinity River . Today Fort Worth still embraces its Western heritage and traditional architecture and design.  USS Fort Worth (LCS-3) is the first ship of the United States Navy named after the city.
Fort Worth is home to the Kimbell Art Museum , considered to have one of the best collections in Texas, and housed in what is widely regarded as one of Texas’ foremost works of modern architecture. Also of note are the Modern Art Museum of Fort Worth and the Amon Carter Museum , the latter of which houses one of the most extensive collections of American art in the world, in a building designed by Philip Johnson . The city is also home to Texas Christian University , Texas Wesleyan University , University of North Texas Health Science Center , Texas A&M University School of Law , and many multinational corporations including Bell Helicopter , Lockheed Martin , American Airlines , Radio Shack , and others.