Before the French and Spanish began to colonize the area, the Native Americans relied on Bayou St. John and the other river systems in Louisiana. Later, Africans, Irish, Germans, and other immigrants would turn the port of New Orleans into a culturally diverse trading ground on which Louisiana history was built. The Pitot House was built on the bayou for Antoine Rivard de Lavigne in 1708. The house's namesake, James Pitot, bought the house in 1804...