Philadelphia City Hall, Philadelphia Completed: 1901 Height: 167 meters (548 feet) Chief architect: John McArthur, Jr. Observation deck While ascending to the Philadelphia City Hall's observation deck in a tiny elevator, visitors can see the internal workings of the tower, the four big clocks as well as views away from the tower. Special features Standing on the top of the tower is a 37-feet-high bronze statue of William Penn, the founder of Pennsylvania and planner of Philadelphia. Next to Penn are four smaller bronze statues depicting the first people in Philadelphia -- immigrants from Sweden and Native Americans. More facts on Philadelphia City Hall in the next slide.