Carnival sails to over 60 destinations worldwide, including Alaska, Bahamas, Bermuda, Caribbean, Hawaii and Mexico.
Norwegian Cruise Line sails to 150 ports of call in five continents, including Europe, Mexican Riviera, South America and Pacific Coasts.
Carnival offers two-day round-trip "Cruise to Nowhere" options from New York and Norfolk, Virginia.
Norwegian Cruise Line offers one- or two-day weekend getaway round-trip cruises from Miami, Boston and Los Angeles.
Passengers on Carnival can avail of a library, spa treatments, nightly live entertainment and casinos. Carnival Glory offers Club O2 for teens 15 to 17.
Norwegian Cruise Line offers Broadway-style shows, 13 bars and dancing, comedy shows, bowling and spa treatments. Nintendo Wii games can be played on a two-story screen.
Carnival offers stingray and dolphin adventures, kayaking, trekking, snorkeling, diving and sailing excursions.
Norwegian Cruise Line offers catamaran sailing, snorkeling, swimming, kayaking and dolphin encounters.
Carnival offers casual dining, a 24-hour stateroom service, sushi bar and European-style café with early (6 p.m.) or late (8:15 p.m.) dining. Passenger-choice dining (5:45 to 9:30 p.m.) is offered on select ships.
Norwegian Cruise Line has 13 restaurants and dining rooms with freestyle dining.