Harley Davidson motorcycles parade... Harley Davidson 110th anniversary celebration

 A rider looks for a parking spot along the Milwaukee lakefront during a Harley Davidson 110th anniversary celebration Thursday, Aug. 29, 2013, in Milwaukee. 

 A rider looks for a parking spot along the Milwaukee lakefront during a Harley Davidson 110th anniversary celebration Thursday, Aug. 29, 2013, in Milwaukee.

 Riders make their way along Interstate 94 during the Harley Davidson 110th anniversary celebration Thursday, Aug. 29, 2013, in Milwaukee.

 Harley-Davidson riders parade in Via della Conciliazione leading to St. Peter's Square during a Mass celebrated by Pope Francis, at the Vatican, Sunday, June 16, 2013. Pope Francis on Sunday blessed thousands of Harley Davidsons and their riders as the American motorcycle manufacturer celebrated its 110th anniversary with a loud parade and plenty of leather

 A man takes a nap on his Harley during a gathering of Harley Davidson bikers in Via della Conciliazione in Rome, close to the Vatican, with St. Peter's Basilica pictured in the background, on 16 June 2013. The iconic American motorcycle company celebrates its 110th anniversary with Harley-Davidson enthusiasts from around the world meeting in Rome for a four day event

 Harley-Davidson motorcycles are parked in Via della Conciliazione leading to St. Peter's Square during a Mass celebrated by Pope Francis, at the Vatican, Sunday, June 16, 2013. Pope Francis on Sunday blessed thousands of Harley Davidsons and their riders as the American motorcycle manufacturer celebrated its 110th anniversary with a loud parade and plenty of leather

 A Harley Davidson biker awaits a papal blessing ahead of the Evangelium Vitae Mass near St. Peter's Square, the Vatican, 16 June 2013. According to media reports, Harley Davidson aficionados were in Rome for an event celebrating the motorcyling company's 110th anniversary, and gathered at St. Peter's Square to be blessed by Pope Francis

 Harley Davidson bikers gather in Via della Conciliazione in Rome, close to the Vatican, in Italy, 16 June 2013. The iconic American motorcycle company celebrates its 110th anniversary with Harley-Davidson enthusiasts from around the world meeting in Rome for a four day event.

Harley Davidson motorcycles parade through the center of Rome, Saturday, June 15, 2013. Thousands of of Harley-Davidson lovers are meeting in Rome to celebrate the motorcycle company's 110th anniversary. The four-day event includes a major parade through the heart of the city and a blessing by Pope Francis during his Angelus noon prayer at the Vatican on Sunday. In background is Rome's Colosseum. 

Two bikers ride on their Harley-Davidson close to Saint Peter's Square in Rome, Italy, 14 June 2013. The US motorcycle manufacturer celebrates its 110th anniversary with Harley-Davidson enthusiasts from around the world meeting in Rome for this four days event.