- metro-photo.com philadelphia-city-hall/Philadelphia City Hall is at the geographic center of Philadelphia, and until 1986 was the city's tallest structure by "gentlemen's agreement."
- skyscrapers.fandom.com wiki/Philadelphia_City_HallBuilt of brick, white marble, and limestone, Philadelphia City Hall is the world’s largest free standing masonry building.
- virtualglobetrotting.com map/philadelphia-city-…City Hall w/ William Penn statue. Philadelphia's City Hall is the nation's largest and its Gothic tower offers a 30-mile panoramic view of the city.
- quirkytravelguy.com philadelphia-city-hall-tower/Philadelphia City Hall is the largest municipal building in the U.S., with more than 14 acres of floor space. It has been designated a National Historic Landmark.
- wiki2.org en/Philadelphia_City_Hall
- The most interesting building in Philadelphia | The Philadelphia City Hall
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- inventionandtech.com content/philadelphia-city-…The construction of Philadelphia City Hall began in 1872 and was completed in 1901. The bill providing for the erection of a new city hall passed both branches of...
- usa-artmuseum.worldorgs.com catalog/philadelphia/…...is a great area to view city hall from and has just been renovated giving the community a great cafe area to have a seat and enjoy the history of Philadelphia.
- factmonster.com culture-entertainment/landmarks/…The American Institute of Architects and Harris Interactive selected the Philadelphia City Hall in Philadelphia, Pa. as one of America's Favorite Structures, based...
- timeout.com philadelphia/attractions/philadelphia…philadelphia city hall. Photograph: Courtesy CC/Flickr/Aby Jose. ... Philadelphia City Hall. 4 out of 5 stars. Friday November 3 2017.
- thevisualchronicle.com 2014/05/23/philadelphia-…This is another example of the wonderful architecture the city of Philadelphia has to offer. City Hall is an all stone building with no metal support structure.