St. Patrick’s Day, the annual celebration of all things Irish, is being marked in cities across the country on Monday with boisterous parades and celebrations. New York City hosts one of the largest and oldest parades in the United States.

New York City's St. Patrick’s Day Parade draws 2 million spectators annually. Check out highlights from 2025's festivities.

Hundreds of thousands marched up Fifth Avenue and nearly 2 million lined the street for NYC's St. Patrick's Day Parade on Monday.