When was one of the tallest structure built which is taller than The Milwaukee City Hall and is the seat of government for the city of Philadelphia?
Philadelphia City Hall Philadelphia City Hall, built in 1901 and located at 1 Penn Square, is the seat of government for the city of Philadelphia, Pennsylvania.
Five Penn Center Five Penn Center is a 36-story highrise in downtown Philadelphia, Pennsylvania. It is part of the Penn Center complex designed by Edmund Bacon. The building was one of the tallest in the city until the highrise building boom of the late 1980s and early 1990s and is connected via underground concourse to Suburban Station, as are all buildings in the complex.