
Pope Francis waves from the top of the steps as he prepares to depart Philadelphia International Airport on Sunday, September 27, on his way back to Rome. The Pope has been on a six-day visit to the United States, with stops in Washington, New York and Philadelphia.

Pope Francis greets families at the conclusion of Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.

A huge crowd gathers to celebrate Mass with Pope Francis on September 27 in Philadelphia.

Pope Francis celebrates Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.

Pope Francis waves to the crowd from the popemobile during a parade along the Benjamin Franklin Parkway before Mass on September 27 in Philadelphia.

Pope Francis waves to the audience as he leaves Saint Charles Borromeo Seminary in Wynnewood, Pennsylvania, after addressing bishops on September 27.

Aretha Franklin performs as Pope Francis looks on during the Festival of Families on September 26 in Philadelphia.

Pope Francis takes the stage at the Festival of Families on September 26 in Philadelphia.

Pope Francis speaks in front of Independence Hall, from the lectern used by President Abraham Lincoln during the Gettysburg Address, on Saturday, September 26, in Philadelphia.

Pope Francis rides in the Popemobile along Independence Mall before delivering a speech outside Independence Hall on September 26.

Residents in decorated apartment windows await the arrival of Pope Francis near Independence Mall on September 26.

Pope Francis blesses Communion during a Mass at Cathedral Basilica of Saints Peter and Paul, Saturday, September 26, in Philadelphia.

Pope Francis delivers Mass before a crowd of more than 2,000, consisting largely of priests, women religious and deacons on September 26.

Members of the choir arrive at Cathedral Basilica of Saints Peter and Paul prior to the arrival of Pope Francis on September 26.

Pope Francis kisses and blesses Michael Keating, 10, of Elverson, Pennsylvania, after arriving in Philadelphia on September 26. Keating has cerebral palsy and is the son of Chuck Keating, director of the Bishop Shanahan High School band, which performed at Pope Francis' airport arrival.

The faithful receive communion at the snack bar during Mass at Madison Square Garden on September 25.

Pope Francis celebrates Mass at Madison Square Garden on Friday, September 25, in New York City.

A crucifix hangs above members of the clergy during Mass at Madison Square Garden on September 25.

Pope Francis rides through New York's Central Park on September 25. Francis addressed the U.N. General Assembly and will head to Philadelphia this weekend for the World Meeting of Families, a large Catholic event expected to draw nearly 1 million pilgrims.

Pope Francis greets the crowd in New York's East Harlem Neighborhood on September 25.

Pope Francis places a white rose at the 9/11 memorial in New York on September 25.

Francis attends a multireligious service at the 9/11 memorial.

The Pope arrives at the U.N. General Assembly to give his speech.

Francis gives a thumbs-up after leading an evening prayer service Thursday, September 24, at St. Patrick's Cathedral in New York.
