Philadelphia November 21, 2024 11:35 am Overbrook Park home that once belonged to Muhammad Ali up for sale Muhammad Ali, one of the world’s greatest athletes, once graced this house tucked away in Philadelphia. US & World Videos 2:37 The Franklin Institute's Giant Heart is pumping life into revamped body exhibit 5:37 Longwood Gardens lights up for the holiday season 4:08 Hoop it up as LumiNature brings holiday lights to Philadelphia Zoo 1:42 Franklin Institute's Giant Heart beats again with some major upgrades 0:43 Chester County's own Gabrielle Zabosky eliminated on ‘The Voice'