Image:Howe-ChildsGateHouse.jpg|Howe-Childs Gate House, built around 1861 by Thomas Marshall Howe, at 5918 Fifth Avenue. Image:Negley-Gwinner-HarterHouse.jpg|Negley-Gwinner-Harter House, built in 1870 and 1871, at 5061 Fifth Avenue. Image:AlleghenyCountyCourthouse.jpg|Allegheny County Courthouse, built in 1884, bounded by Fifth and Forbes Avenues, as well as Grant and Ross Streets. Image:BellefieldTowersPitt.jpg|The 1889 bell tower from the former Bellefield Presbyterian Church is all that remains in front of the University of Pittsburgh's Bellefield Towers building at the corner of Fifth and Bellefield Avenues. Image:FifthAvenueHighSchool.jpg|Fifth Avenue High School, built in 1894, at 1800 5th Avenue. Image:William Pitt Union 02p.jpg|William Pitt Union, the student building of the University of Pittsburgh, built in 1898, bounded by Fifth Avenue, Bigelow Boulevard, and Forbes Avenue. Image:FrickBuildingPittsburgh.jpg|Frick Building, built in 1902, at Grant Street and Fifth Avenue. Image:PittsburghStPaul.jpg|Cathedral of Saint Paul in Pittsburgh, completed in 1906, at the corner of 5th Avenue and N. Craig Street. Image:RodefShalomPittsburgh.jpg|Rodef Shalom, built in 1906, at 4905 5th Avenue. Image:WillisMcCookHouse.jpg|Willis McCook House, built in 1906 and 1907, at 5105 Fifth Avenue. Image:BuhlBuildingPittsburgh.jpg|Buhl Building, built in 1913, at 204 5th Avenue. Image:Moreland-Hoffstot House.jpg|Moreland-Hoffstot House, built in 1914, at 5057 5th Avenue. Image:AlumniHallatPitt.jpg|Alumni Hall of the University of Pittsburgh, built in 1915, at Fifth and Lytton Avenues. Image:Union Trust Building Pittsburgh.jpg|Union Trust Building, built in 1917, at the corner of Fifth Avenue and Grant Street. Image:FormerMellonNationalBankBuilding.jpg|Former Mellon National Bank Building, built from 1923 to 1924, located at the corner of Fifth Avenue and Smithfield Street. Image:CathedralFromSS.jpg|Cathedral of Learning, built in 1926, bounded by Fifth, Forbes, and S. Bellefield Avenues and Bigelow Boulevard. Image:Henry Clay Frick Training School for Teachers.jpg|Pittsburgh Science and Technology Academy, built in 1927, at Thackeray Street and Fifth Avenue. Image:Mellon Institute 01.JPG|Mellon Institute of Industrial Research of Carnegie Mellon University, built in 1937, at the corner of Fifth Avenue and S. Bellefield Avenue. Image:MellonParkFountain.jpg|Mellon Park, established 1943, at the corner of Fifth and Shady Avenues in Point Breeze. Image:WQEDHeadquartersPittsburgh.jpg|WQED's headquarters on Fifth Avenue, opened in 1954, the first public television station in the United States. Image:Pittsburgh-mellon-center-2007-night.jpg|BNY Mellon Center, built in 1983, at the corner of Fifth Avenue and Grant Street.