Recognized for its world-class arts and technology programs, collaboration across disciplines, and innovative leadership in the fields of Business Administration, Computer Science, Engineering, Fine Arts, Humanities and Social Sciences, Public Policy & Information Systems, and Science, Carnegie Mellon is consistently ranked among the top 25 universities in the United States. Pittsburgh is known for its diverse neighborhoods, top schools and hospitals, affordable housing, eclectic restaurant scene, lively arts and music communities, and recreation opportunities that abound in the city's more than 2000 acres of city parks and on its three rivers.