Carnival Corporation & plc, a cruise company, provides leisure travel services in North America, Australia, Europe, and internationally. The company operates through four segments: NAA Cruise Operations, Europe Cruise Operations, Cruise Support, and Tour and Other. It operates port destinations and islands, as well as owns and operates hotels, lodges, glass-domed railcars, and motorcoaches. The company offers its services under the AIDA Cruises, Carnival Cruise Line, Costa Cruises, Cunard, Holland America Line, P&O Cruises (Australia), P&O Cruises (UK), Princess Cruises, and Seabourn brands.