The tower features clocks 26 feet in diameter on all four sides of the metal portion of the tower. (larger than the Clock Tower, Palace of Westminster, home to Big Ben).
With close to 700 rooms, City Hall is the largest municipal building in the United States and one of the largest in the World.
The top portion is not made of stone like the rest of the building. It is made of metal.
The statue of William Penn faces Northeast towards Penn Treaty Park, where Penn is suppose to have made his famous treaty with the Delaware Indians.
Alexander Milne Calder sculpted many of the statues used on the exterior of the building including that of William Penn.
There is an observation deck just below the statue.