Cardinal Donald W. Wuerl of Washington pays tribute to Pope Benedict XVI during a national Mass of thanksgiving.

Cardinals from the United States said goodbye to Pope Benedict XVI at his last meeting with the College of Cardinals.

A retrospective of Pope Benedict XVI's trips to Cuba, Mexico and the United States

Pope Benedict XVI blessed hundreds of thousands of pilgrims during his last general audience before retiring.

On February 28, 2013, at 8PM, the Swiss Guard closed the doors at the papal residence in Castel Gandolfo.

At his last public Angelus, Pope Benedict XVI said that his resignation did not mean that he was abandoning the church.

At his final meeting as pope with the College of Cardinals, Pope Benedict XVI pledged his obedience to the next pope.

President Obama spoke about humility at the annual prayer breakfast.

Images of the Vatican monastery where Pope Benedict XVI will live as soon as remodeling is completed.

John Thavis, author of "Vatican Diaries," talks about the extraordinary circumstances of the upcoming papal transition.