Louisiana's heritage is influenced by French, Spanish, Native American, and African cultures, which are reflected in the local food, music, art, and architecture. Cajun cuisine, Southern food, and crawfish are some of Louisiana's culinary specialties. Music styles such as Dixieland jazz and blues are essential to Louisiana's culture. Visitors from around the world are drawn to Louisiana's unique cultural experiences, especially the Mardi Gras celebrations in New Orleans. The southern region of Louisiana contains swampland and bayous, and is where the Mississippi River flows into the Gulf of Mexico. Northern Louisiana's terrain consists of prairies, woodlands, and hills.