Call it a religious festival or call it street theater, the annual Giglio Feast is not to be missed. There are actually two of them in NYC. One is in East Harlem and the other is in Williamsburg Brooklyn. The one in Brooklyn is always in July around the second week.
This video has a great and unique perspective - from on high. Once I upload my on the ground video from this year's festival - 2011, you will see the parade from top to bottom.