Author: Peter Knego, Special to USA TODAY

The 3,660-passenger Sky Princess uses advanced technology to help guests do everything from ordering drinks to opening their stateroom doors.

The Sky Princess is the largest of 18 ships operated by Carnival Corporation-owned Princess Cruises.

Oceania Cruises 1998-built Insignia is the first of the line’s quartet of nearly identical regatta class ships to receive a stem-to-stern makeover.

The 92,000 gross ton, 2,081-guest Queen Elizabeth is the newest of three cruise ships in the Cunard Line fleet.

Christened by Princess Diana and featured in “The Love Boat,” Phoenix Reisen’s Artania is now one of the oldest active cruise ships in the world.

The Volendam may lack some of the bells and whistles of Holland America’s newer ships, but it offers an intimate, traditional cruising experience.

The 1,432-passenger Volendam is one of Holland America Line’s smaller, more intimate ships.

USA TODAY Cruise’s latest Cruise Ship Tour offers a deck-by-deck look at Bahamas Paradise Cruise Line’s Grand Celebration.