<P> Carnival Cruise Line is the world 's largest cruise line based in Miami , Florida in the United States . It is a subsidiary of the American - British company Carnival Corporation & PLC , one of the largest travel and tourism companies in the world . </P>
<P> Carnival Cruise Line is the world 's largest cruise line based in Miami , Florida in the United States . It is a subsidiary of the American - British company Carnival Corporation & PLC , one of the largest travel and tourism companies in the world . </P>
who owns the largest independent fleet of ships
who owns the largest independent fleet of ships
Carnival Corporation & PLC
Carnival Corporation & PLC