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 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.
Laurence Kesterson/AP
Pope Francis greets families at the conclusion of Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.
Pope Francis greets families at the conclusion of Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.
Cj Gunther/AP
A huge crowd gathers to celebrate Mass with Pope Francis on September 27 in Philadelphia.
A huge crowd gathers to celebrate Mass with Pope Francis on September 27 in Philadelphia.
Matt Slocum/AP
Pope Francis celebrates Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.
Pope Francis celebrates Mass at the World Meeting of Families at Benjamin Franklin Parkway in Philadelphia on September 27.
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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 crowd from the popemobile during a parade along the Benjamin Franklin Parkway before Mass on September 27 in Philadelphia.
Michael Perez/AP
Pope Francis waves to the audience as he leaves Saint Charles Borromeo Seminary in Wynnewood, Pennsylvania, after addressing bishops on September 27.
Pope Francis waves to the audience as he leaves Saint Charles Borromeo Seminary in Wynnewood, Pennsylvania, after addressing bishops on September 27.
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Aretha Franklin performs as Pope Francis looks on during the Festival of Families on September 26 in Philadelphia.
Aretha Franklin performs as Pope Francis looks on during the Festival of Families on September 26 in Philadelphia.
Tony Gentile/AP
Pope Francis takes the stage at the Festival of Families on September 26 in Philadelphia.
Pope Francis takes the stage at the Festival of Families on September 26 in Philadelphia.
Alessandra Tarantino/AP
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 speaks in front of Independence Hall, from the lectern used by President Abraham Lincoln during the Gettysburg Address, on Saturday, September 26, in Philadelphia.
Alex Brandon/AP
Pope Francis rides in the Popemobile along Independence Mall before delivering a speech outside Independence Hall on September 26.
Pope Francis rides in the Popemobile along Independence Mall before delivering a speech outside Independence Hall on September 26.
Carolyn Kaster/AP
Residents in decorated apartment windows await the arrival of Pope Francis near Independence Mall on September 26.
Residents in decorated apartment windows await the arrival of Pope Francis near Independence Mall on September 26.
VINCENZO PINTO/AFP/Getty Images
Pope Francis blesses Communion during a Mass at Cathedral Basilica of Saints Peter and Paul, Saturday, September 26, in Philadelphia.
Pope Francis blesses Communion during a Mass at Cathedral Basilica of Saints Peter and Paul, Saturday, September 26, in Philadelphia.
Julio Cortez/AP
Pope Francis delivers Mass before a crowd of more than 2,000, consisting largely of priests, women religious and deacons on September 26.
Pope Francis delivers Mass before a crowd of more than 2,000, consisting largely of priests, women religious and deacons on September 26.
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Members of the choir arrive at Cathedral Basilica of Saints Peter and Paul prior to the arrival of Pope Francis 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.
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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.
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.
Joseph Gidjunis/World Meeting of Families/AP
The faithful receive communion at the snack bar during Mass at Madison Square Garden on September 25.
The faithful receive communion at the snack bar during Mass at Madison Square Garden on September 25.
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Pope Francis celebrates Mass at Madison Square Garden on Friday, September 25, in New York City.
Pope Francis celebrates Mass at Madison Square Garden on Friday, September 25, in New York City.
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A crucifix hangs above members of the clergy during Mass at Madison Square Garden on September 25.
A crucifix hangs above members of the clergy during Mass at Madison Square Garden on September 25.
Michael Appleton/AP
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 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.
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Pope Francis greets the crowd in New York's East Harlem Neighborhood on September 25.
Pope Francis greets the crowd in New York's East Harlem Neighborhood on September 25.
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Pope Francis places a white rose at the 9/11 memorial in New York on September 25.
Pope Francis places a white rose at the 9/11 memorial in New York on September 25.
JEWEL SAMAD/AFP/Getty Images
Francis attends a multireligious service at the 9/11 memorial.
Francis attends a multireligious service at the 9/11 memorial.
VINCENZO PINTO/AFP/Getty Images
The Pope arrives at the U.N. General Assembly to give his speech.
The Pope arrives at the U.N. General Assembly to give his speech.
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Francis gives a thumbs-up after leading an evening prayer service Thursday, September 24, at St. Patrick's Cathedral in New York.
Francis gives a thumbs-up after leading an evening prayer service Thursday, September 24, at St. Patrick's Cathedral in New York.
Jason DeCrow/AP
Nuns celebrate at St. Patrick's Cathedral as they wait for the arrival of Pope Francis.
Nuns celebrate at St. Patrick's Cathedral as they wait for the arrival of Pope Francis.
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Francis greets crowds as he arrives at St. Patrick's Cathedral.
Francis greets crowds as he arrives at St. Patrick's Cathedral.
Julie Jacobson/AP
Crowds welcome Pope Francis to New York on September 24 after his arrival at John F. Kennedy International Airport.
Crowds welcome Pope Francis to New York on September 24 after his arrival at John F. Kennedy International Airport.
Craig Ruttle/Pool/Getty Images
A Pope Francis doll amuses the man himself at John F. Kennedy International Airport.
A Pope Francis doll amuses the man himself at John F. Kennedy International Airport.
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Pope Francis stops to look at a sculpture of Spanish-born missionary Junipero Serra at the U.S. Capitol in Washington on September 24. The Pope canonized Serra during a Mass the day before.
Pope Francis stops to look at a sculpture of Spanish-born missionary Junipero Serra at the U.S. Capitol in Washington on September 24. The Pope canonized Serra during a Mass the day before.
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Members of Congress accompany Pope Francis on the Speaker's Balcony on Capitol Hill on September 24.
Members of Congress accompany Pope Francis on the Speaker's Balcony on Capitol Hill on September 24.
Doug Mills/The New York Times via AP
Congressional staffers and guests strain to view and photograph the Pope at the Capitol.
Congressional staffers and guests strain to view and photograph the Pope at the Capitol.
Steve Helber/AP
Francis blesses a child at the Capitol.
Francis blesses a child at the Capitol.
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Pope Francis addresses a joint meeting of the U.S. Congress on September 24. Vice President Joe Biden and House Speaker John Boehner sit behind him in the House chamber.
Pope Francis addresses a joint meeting of the U.S. Congress on September 24. Vice President Joe Biden and House Speaker John Boehner sit behind him in the House chamber.
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Francis is the first Pope to address a joint meeting of Congress.
Francis is the first Pope to address a joint meeting of Congress.
JIM WATSON/AFP/Getty Images
Boehner welcomes Pope Francis before his speech to Congress.
Boehner welcomes Pope Francis before his speech to Congress.
Bill Clark/Roll Call/Pool/AP
Pope Francis canonizes Serra during a Mass in Washington on Wednesday, September 23.
Pope Francis canonizes Serra during a Mass in Washington on Wednesday, September 23.
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The Pope celebrates Mass at the National Shrine of the Immaculate Conception on September 23.
The Pope celebrates Mass at the National Shrine of the Immaculate Conception on September 23.
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Nuns wait for Pope Francis to arrive inside the Basilica of the National Shrine of the Immaculate Conception.
Nuns wait for Pope Francis to arrive inside the Basilica of the National Shrine of the Immaculate Conception.
David Goldman/AP
Pope Francis greets crowds during his parade in Washington on September 23.
Pope Francis greets crowds during his parade in Washington on September 23.
Alex Brandon/AP
Pope Francis reaches out to bless a child during the parade in Washington.
Pope Francis reaches out to bless a child during the parade in Washington.
Alex Brandon/AP
President Barack Obama hosts the Pope in the Oval Office of the White House on September 23.
President Barack Obama hosts the Pope in the Oval Office of the White House on September 23.
MANDEL NGAN/AFP/Getty Images
Obama, the Pope and first lady Michelle Obama greet the crowd during an arrival ceremony on the South Lawn of the White House on September 23.
Obama, the Pope and first lady Michelle Obama greet the crowd during an arrival ceremony on the South Lawn of the White House on September 23.
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Pope Francis addresses guests on the South Lawn of the White House.
Pope Francis addresses guests on the South Lawn of the White House.
VINCENZO PINTO/AFP/Getty Images
People wave U.S. and Vatican flags as they wait for the Pope's arrival at the White House on September 23.
People wave U.S. and Vatican flags as they wait for the Pope's arrival at the White House on September 23.
VINCENZO PINTO/AFP/Getty Images
Early on September 23, people gather along Pope Francis' parade route in Washington.
Early on September 23, people gather along Pope Francis' parade route in Washington.
KEVIN DIETSCH/UPI/Landov
Pope Francis departs from Andrews Air Force Base in Maryland shortly after his flight landed on Tuesday, September 22.
Pope Francis departs from Andrews Air Force Base in Maryland shortly after his flight landed on Tuesday, September 22.
Andrew Harnik/AP
Pope Francis waves from his car at Andrews Air Force Base.
Pope Francis waves from his car at Andrews Air Force Base.
Susan Walsh/AP
Pope Francis is escorted by the Obamas and their daughters after arriving in the country.
Pope Francis is escorted by the Obamas and their daughters after arriving in the country.
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Clergy members brace for the wind as they stand on the tarmac at Andrews Air Force Base.
Clergy members brace for the wind as they stand on the tarmac at Andrews Air Force Base.
Andrew Harnik/AP
The Pope waves at Obama and his family.
The Pope waves at Obama and his family.
Mandel Ngan/AFP/Getty Images