- When Louis Armstrong New Orleans International Airport began commercial air service in 1946 it was the largest commercial airport in the United States, twice the size of LaGuardia, NY, or the Chicago airports
- New Orleans is home to both the longest continually operating cathedral and restaurant in the U.S.
- Contrary to popular belief, some New Orleans cemeteries are above ground not because of the high water table, but because that was the custom in France
- Despite its reputation for Cajun cuisine, the predominant style of New Orleans cooking is Creole, which involves the combination of French and African styles with local ingredients; Cajun food is produced by the Acadian settlers of Southwest Louisiana
- New Orleans is the largest port on the Gulf of Mexico, the second largest in the U.S., and the third largest in the world in volume of cargo handled
- The St. Charles streetcar in New Orleans is one of only two mobile national monuments in the U.S.
- At an average of 4.5 feet above sea level, New Orleans is the 2nd lowest-lying international airport in the world