Pictures Ritz-Carlton Penthouse Tour: Philadelphia's Most Expensive Home April 14, 2016 / 5:43 PM EDT / CBS News (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3) Ritz-Carlton Penthouse Tour (Credit: Greg Argos/CBS 3)