St. Louis hosts one of the biggest Mardi Gras Festivals in the nation outside of New Orleans. Most of the festivities are held in the Historic Soulard Neighborhood. Families might want to attend the more kid friendly Beggin Barkus Parade rather than the more adult themed Mardi Gras Grand Parade. The Fat Tuesday Mardi Gras Parade happens on the night of Fat Tuesday in Downtown St. Louis
For more information on each event, see the links below.