Pittsburgh, Pennsylvania has a present population over 300,000 people and serves as the county seat to Allegheny County. Regionally, it anchors a seven-county metropolitan area of Appalachia and the Ohio River Valley with a total population of 2,356,285.
The city is well known for its bridges because it has 446 and has been named the "City of Bridges". Pittsburgh's downtown has a diversified economy and urban infrastructure with more than 151 high-rise buildings and two inclined railways. The central business district of Pittsburgh forms a triangle of land, called the Golden Triangle, on the Allegheny Plateau bounded by the Monongahela and Allegheny rivers at their confluence, where they form the Ohio River. The city ranks 25th within the United States for urban jobs and sixth in job density. "The Steel City" was formerly mainly a steel manufacturing city.
Pittsburgh has been able to benefit from the region's two wealthy families, Carnegie and Heinz, who have made a lot of contributions. The world-class Pittsburgh Symphony Orchestra plays at the Heinz Hall place. The Carnegie Museum of Art boasts a remarkable collection of art, featuring masterworks by Monet, van Gogh and other significant artists. The Heinz Architectural Center is likewise situated there. The city of Pittsburgh was the home of famed artist Andy Warhol, whose works are featured within the Warhol Museum. The seminal Fallingwater home of frank Lloyd Wright is open for tours in nearby Mill Run.
Expanding beyond its roots in heavy manufacturing and steel production, the Pittsburgh area economy has diversified to provide substantial professional and business opportunities. Ten Fortune 1000 companies are headquartered here. Well-known companies comprise Dick's Sporting Goods, H.J. Heinz and Mellon Financial. United States Steel is the largest company with head office in the area.
The cities major industries comprise advanced manufacturing, biotechnology, financial services, healthcare, high technology, retail and medicine.
Recreation areas and parks abound within the city of Pittsburgh. The big Raccoon State Park features water sports, fishing and boating on Racoon Lake, as well as hiking, horseback riding, cross-country skiing and cycling. Point State Park, located at the actual point of convergence of the Allegheny and Monongahela rivers, is known simply as "the Point." Great downhill skiing opportunities are available nearby within Hidden Valley, Blue Knob and Seven Springs. Situated within the Laurel Mountains at an elevation of almost 3000 feet, Seven Springs is the largest ski area within the state of Pennsylvania comprising 17 slopes.
There are also various cultural, educational and medical institutions situated outside Pittsburgh's downtown core, like Carnegie Mellon University, Carnegie Museum and Library and the University of Pittsburgh.