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  2. Philadelphia City Hall - Wikipedia

    en.wikipedia.org/wiki/Philadelphia_City_Hall

    Built using brick, white marble and limestone, Philadelphia City Hall is the world's largest free-standing masonry building and was the world's tallest habitable building upon its completion in 1894. It was designated as a National Historic Landmark in 1976; in 2006, it was also named a National Historic Civil Engineering Landmark by the ...

  3. List of largest domes - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_domes

    Download QR code; Print/export ... is the largest wrought iron dome ever built. ... Masonry: 2nd century – 150 11.5 38 Red Basilica:

  4. List of largest houses in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_houses_in...

    Built for Owner Year completed Architectural style Architect Image 1: 178,926 sq ft (16,622.8 m 2) [2] Biltmore Estate: Asheville, North Carolina: George Washington Vanderbilt II: The Biltmore Company [3] 1895: Châteauesque: Richard Morris Hunt and Frederick Law Olmsted: 2: 109,848 sq ft (10,205.2 m 2) Lynnewood Hall: Elkins Park, Pennsylvania ...

  5. Architecture of Philadelphia - Wikipedia

    en.wikipedia.org/wiki/Architecture_of_Philadelphia

    He also designed and built the iron dome of the United States Capitol. [11] In the 1840s and 50s many old buildings were replaced by larger business structures. Built from red sandstone, granite, and iron, the buildings varied in designs including Greek Revival, Gothic, and Italianate. One of the tallest buildings was the eight-story Jayne ...

  6. Rockville Bridge - Wikipedia

    en.wikipedia.org/wiki/Rockville_Bridge

    The Rockville Bridge is the longest stone masonry arch railroad viaduct ever built, [2] at 3,820 feet (1,160 m). It has 48 70-foot spans. [2] The bridge crosses the Susquehanna River about 5 miles (8 km) north of Harrisburg, Pennsylvania. The eastern end is located in Rockville and the western end is just south of Marysville.

  7. Golden Dome (Monaca) - Wikipedia

    en.wikipedia.org/wiki/Golden_Dome_(Monaca)

    The Golden Dome is a 38,000-square-foot (3,500 m 2), 3,000-seat multi-purpose arena in Monaca, Pennsylvania on the campus of the Community College of Beaver County.On April 22, 1974, the Community College of Beaver County Building and Construction Committee decide to build the Physical Education and Recreation Center, better known as the Dome.

  8. Ligonier, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Ligonier,_Pennsylvania

    Ligonier is a borough in Westmoreland County, Pennsylvania, United States.The population was 1,513 at the 2020 census. [3] Ligonier was settled in the 1760s. The borough is well known for nearby Idlewild Park, one of the oldest amusement parks in the country; and nearby Seven Springs Mountain Resort.

  9. Duquesne, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Duquesne,_Pennsylvania

    Duquesne was home to the largest blast furnace in the world, named the "Dorothy Six". [8] Bob Dylan 's song Duquesne Whistle ( Tempest , 2012) is dedicated to it. The city's population peaked in 1930, then declined with the Great Depression and deindustrialization beginning after World War II.