Bagpipers march up Fifth Avenue during the St. Patrick's Day Parade, Tuesday, March 17, in New York.
Mary Altaffer/AP
Participants perform a traditional Irish dance as they march up Fifth Avenue in New York.
Mary Altaffer/AP
Young people pose during the annual St. Patrick's Day Parade in Dublin, Ireland.
Clodagh Kilcoyne/Getty Images
Dressed in ribbons and bows, two dogs wait for the St. Patrick's Day Parade to start in Savannah, Georgia. The city's first St. Patrick's Day Parade was held in 1824.
Stephen B. Morton/AP
Catherine, Duchess of Cambridge, meets cadets during the St. Patrick's Day Parade at Mons Barracks in Aldershot, England.
Anthony Harvey/Getty Images
Water at a White House fountain is dyed green for the holiday.
Jacquelyn Martin/AP
Performers take part in the annual St. Patrick's Day Parade in Belfast, Northern Ireland.
Carrie Davenport/Getty Images
A girl participates in St. Patrick's Day celebrations as she waits for the parade in Belfast.
Peter Morrison/AP
Dancers march during the St Patrick's Day Parade in New York City.
JEWEL SAMAD/AFP/Getty Images
A man dressed in Irish colors cheers marchers during New York's St. Patrick's Day Parade.
Spencer Platt/Getty Images
Italy's Leaning Tower of Pisa is lit green on Monday, March 16, the night before St. Patrick's Day.
