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Pittsburgh, the second-largest city in the U.S. state of Pennsylvania, is home to 135 completed high-rises,〔(【引用サイトリンク】title=About: Pittsburgh )〕 29 of which stand at least tall. The tallest building in Pittsburgh is the 64-story U.S. Steel Tower, which rises and was completed in 1970. It also stands as the fourth-tallest building in Pennsylvania and the 43rd-tallest building in the United States. The second-tallest skyscraper in the city is BNY Mellon Center, which rises . The history of skyscrapers in Pittsburgh began with the 1895 completion of the Carnegie Building; this structure, rising 13 floors, was the first steel-framed skyscraper to be constructed in the city. It never held the title of tallest structure in the city, however, as it did not surpass the tower of the Allegheny County Courthouse, which was completed in 1888.〔(【引用サイトリンク】title=Allegheny County Courthouse & Jail )〕 The Carnegie Building was later demolished in 1952 to make way for an expansion of a Kaufmann's (now Macy's) department store.〔(【引用サイトリンク】title=Carnegie Building )〕 Pittsburgh experienced a large building boom from the late 1960s to the late 1980s. During this time, 12 of the city's 21 tallest building were constructed, including the city's three tallest structures, the U.S. Steel Tower, BNY Mellon Center, and PPG Place. The city is the site of 10 skyscrapers at least in height, of which two rank among the tallest in the United States. , the skyline of Pittsburgh is ranked 18th in the United States and 77th in the world with 25 buildings rising at least in height.〔(【引用サイトリンク】title=Cities with the most skyscrapers )〕 Unlike many other major American cities, Pittsburgh was the site of relatively few skyscraper construction projects in the 2000s decade. The most recently completed skyscraper in the city is Three PNC Plaza, which rises in height and was completed in 2009. , the largest high-rise development under construction in Pittsburgh is the Tower at PNC Plaza, which is expected to be complete by 2015. Overall, , there were five high-rise buildings under construction or proposed for construction in Pittsburgh.〔 ==Tallest buildings== This list ranks Pittsburgh skyscrapers that stand at least tall, based on standard height measurement. This includes spires and architectural details but does not include antenna masts. An equal sign (=) following a rank indicates the same height between two or more buildings. The "Year" column indicates the year in which a building was completed. * indicates building is still under construction, but has been topped out 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of tallest buildings in Pittsburgh」の詳細全文を読む スポンサード リンク
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