American Cardinals Joseph Tobin and Raymond Burke could be candidates to lead the Catholic Church after the death of Pope Francis.

For six days in September, 2015, Pope Francis made a historic visit to the United States, visiting some of the country's biggest cities and speaking to massive crowds of the faithful along the way.

As the Roman Catholic faithful in Pittsburgh mourn Pope Francis, many are remembering the pontiff's visit to the United States in 2015.

Pope Francis, whose time as head of the Catholic Church was noted for humility and outreach efforts to people of disparate backgrounds and faiths, has died at 88, the Vatican said. The pontiff's funeral is scheduled for Saturday,