Pittsburgh is a city in the Commonwealth of Pennsylvania and the county seat of Allegheny County. It is the most populous city in both Allegheny County and Western Pennsylvania, the second-most populous city in Pennsylvania after Philadelphia, and the 68th-most populous city in the U.S. with a population of 302,971 as of the 2020 census. It is the largest city of the Greater Pittsburgh metropolitan area of Western Pennsylvania; its population of 2.37 million is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and the 27th-largest in the U.S. It is the principal city of the greater Pittsburgh–New Castle–Weirton combined statistical area that extends into Ohio and West Virginia.
Downtown Pittsburgh, colloquially referred to as the Golden Triangle, and officially the Central Business District, is the urban downtown center of Pittsburgh, Pennsylvania, United States. It is located at the confluence of the Allegheny River and the Monongahela River whose joining forms the Ohio River. The triangle is bounded by the two rivers.
Point State Park is a Pennsylvania state park which is located on 36 acres (150,000 m2) in Downtown Pittsburgh, Allegheny County, Pennsylvania, USA, at the confluence of the Allegheny and Monongahela rivers, forming the Ohio River.
Allegheny Center is a neighborhood on Pittsburgh's North Side. Its zip code is 15212, and it has representation on Pittsburgh City Council by both council members for District 6 and District 1 (Northside).
This is a list of properties and districts listed on the National Register of Historic Places in Pennsylvania. As of 2015, there are over 3,000 listed sites in Pennsylvania. All 67 counties in Pennsylvania have listings on the National Register.
The Allegheny County Courthouse in downtown Pittsburgh, Pennsylvania, is part of a complex designed by H. H. Richardson. The buildings are considered among the finest examples of the Romanesque Revival style for which Richardson is well known.
This is a list of the National Register of Historic Places listings in Allegheny County, Pennsylvania.
The Mexican War Streets, originally known as the "Buena Vista Tract," is an historic district that is located in the Central Northside neighborhood of Pittsburgh, Pennsylvania, in the United States. The district is densely filled with restored row houses, community gardens, and tree-lined streets and alleyways. The area dates to around the time of the Mexican–American War.
Frederick John Osterling was an American architect, practicing in Pittsburgh from 1888.
Fort Pitt Museum is an indoor/outdoor museum that is administered by the Senator John Heinz History Center in downtown Pittsburgh, Allegheny County, Pennsylvania in the United States. It is at the confluence of the Monongahela and Allegheny Rivers, where the Ohio River is formed. Fort Pitt Museum is surrounded by Point State Park, a Pennsylvania state park named for the geographically and historically significant point that is between the rivers. This piece of land was key to controlling the upper reaches of the Ohio River Valley and western Pennsylvania, before, during and after the French and Indian War as well as the American Revolution.
The Pittsburgh Athletic Association was a private social club and athletic club in Pittsburgh, Pennsylvania, USA. Its clubhouse is listed on the National Register of Historic Places.
University Place Office Building was a 6-story building constructed in 1924 and had been a contributing property to the Schenley Farms National Historic District on the campus of the University of Pittsburgh in Pittsburgh, Pennsylvania, United States. Once located at 121 University Place, the building was originally the Schenley Office Physicians Building designed by architect Edward B. Lee and associate architect J. B. Blair for the Physicians Land Company. Long housing offices of physicians associated with the university's medical school and medical center, the building was acquired by the university in June 1983 for $1.25 million and then housed a variety of university offices, including the University Center for Social and Urban Research, until its demolition in 2011.
The Gateway Center is a complex of office, residential, and hotel buildings covering 25 acres (10 ha) in Downtown Pittsburgh, Pennsylvania. It lies between Commonwealth Place and Stanwix Street at the western edge of the central business district, immediately to the east of Point State Park. Construction of the Gateway Center was one of the earliest urban renewal projects in the United States and part of Pittsburgh's Renaissance I programs which reshaped large sections of the city. The project was developed by the Equitable Life Assurance Society and built between 1950 and 1969.
The Pittsburgh Central Downtown Historic District is a historic district in the Central Business District of Pittsburgh, Pennsylvania, United States. It is composed of multiple late eighteenth-century buildings which illustrate "Pittsburgh's emergence during that period as a preeminent industrial and business center," according to Hyman Myers, the former chair of the Pennsylvania Historic Preservation Board.
The O'Hara Student Center, formerly the Concordia Club, is a three-story, 18,000-square-foot (1,700 m2) building on the campus of the University of Pittsburgh on O'Hara Street in the Oakland neighborhood of Pittsburgh, Pennsylvania. It is a contributing property to the Schenley Farms National Historic District and the City of Pittsburgh Oakland Civic Center Historic District. The building was acquired by the university in mid-December, 2009. and has since been renovated to house academic and student activity programs.
11 Stanwix Street, formerly known as the Westinghouse Tower, is one of the major distinctive and recognizable features of Downtown Pittsburgh, Pennsylvania in the United States.
The Fort Pitt Block House is a historic building in Point State Park in the city of Pittsburgh. It was constructed in 1764 as a redoubt of Fort Pitt, making it the oldest extant structure in Western Pennsylvania, as well as the "oldest authenticated structure west of the Allegheny Mountains".
Preservation Pittsburgh is a non-profit advocacy group founded in 1991 to support the preservation of historic, architectural, cultural, and environmental sites and buildings within Pittsburgh, Pennsylvania.
