Po boy Fest - Oak Street in Carrollton - 11 am - 7 pm
Fringe Fest continues nofringe.com
St. Catherine's Day Hat Parade - To participate in this walking parade in uptown New Orleans, meet at St Charles and Pleasant Street at 10 a.m. and wear a hat of course. St Catherine is the patron saint of milliners (hat-makers) and single women. It's "A Love/Hat Relationship" theme.
Birdwatchers will hike through the bird migration flyway zone at Northlake Nature Center in with a bird guide at 8 am. $5 donation. Bring binoculars. 23135 US 190 East in Mandeville.
Jean Lafitte National Park and Preserve 6588 Barataria in Marrero on the West Bank hosts a Better Health BaYOU day with hikes, games, classes, health info and more. 10 a.m. 0- 2 pm.
Pet Fest, the big pawty for pets and their people that also benefits shelter pets - Lafreniere Park, 3000 Downs Blvd., Kenner in East Jefferson.