Metairie, Louisiana is home to the longest bridge over water in the world, the Lake Pontchartrain causeway. The causeway connects Metairie with St. Tammany Parish on the North Shore. The causeway is 24 miles long.
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The Harvey Canal Locks near Westwego, Louisiana connect the Mississippi River to the Harvey Canal. Back in the 1800s the locks served as ferries to transport railroad cars from one side of the canal to the other.
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Mamou bills itself as "The Cajun Music Capital of the World." Mamou musicians, in particular the musicians who have perform at Fred's Lounge have been a major force in expanding the audience for Cajun music far beyond Southwest Louisiana.