This welcome appeared on the side of a building near Madison Square Garden weeks before the pope celebrated a Mass there.
Even the New York Pope, er, Post got into the spirit of things with a temporary change in its masthead.
These priests from St. Anianus Coptic Orthodox Church in Princeton, New Jersey, were invited to the Pope's interfaith service at the 9/11 Memorial. Father Michael Sorial is on the far left.
Father Michael Sorial took this picture of the pope with his phone at the 9/11 memorial service.
Savvy vendors were selling souvenirs of the Pope's visit everywhere he went.
"I love Pope Francis" t-shirts were among the popular items sold near the 9/11 Memorial where Pope Francis conducted an interfaith service.
About 80,000 people won free tickets to see the pope's procession in Central Park, through a lottery run by the city. They began lining up more than 8 hours before the procession began.
An hour before the security check-in officially opened, lines to enter stretched over 12 blocks long.
For the thousands standing in line, reaching these signs indicated they were getting close to the security screening point.
Ticket holders waited patiently for hours as they made their way through the security check, where bags were searched and metal detectors were used.
Once through security, some attendees checked this clock that looks over the park from Central Park South to keep an eye on the countdown for the Pope's arrival.
Ticket holders were assigned to zones and ushered into particular areas of the park, bordered by metal barricades. On this hill, hundreds of attendees awaited the Pope's arrival.
One eagle-eyed observer spotted Pope Francis waving from the back seat of a Fiat as he made his way through East Harlem to Central Park.
About an hour before the pope's arrival in the park, many in the crowd noticed several rainbows appeared overhead, despite the fact that there had been no rain.