In Photos: Pope Benedict XVI (44 images)

U.S. President George W. Bush and Pope Benedict XVI greet members of the media as they walk through the colonnade of the Rose Garden on their way to a meeting in the Oval Office of the White House in Washington on April 16, 2008. This is the Pope's first visit to the United States and only the second visit in history by a Pope to the White House. (UPI Photo/Roger L. Wollenberg)

Pope Benedict XVI arrives to celebrate Mass at St. Patrick's Cathedral in New York on April 19, 2008. (UPI Photo/Laura Cavanaugh)

Pope Benedict XVI holds the papel staff as he waves good-bye to clergymen after delivering mass at Yankee Stadium on April 20, 2008 in New York. Benedict, who is on his first trip to the U.S. as pontiff, is finishing up his visit which began in Washington DC. (UPI Photo/Monika Graff)

Pope Benedict XVI speaks at the United Nations in New York on April 18, 2008. (UPI Photo/Laura Cavanaugh)