Take A Look Inside The World's Largest Cruise Ship Ever!

Last week Royal Caribbean celebrated the completion of the largest cruise ship ever built, Harmony of the Seas.

Harmony has been under construction at the shipyard for more than two years.

Harmony's first voyage with paying passengers is scheduled for May 22. After an initial series of cruises in the Mediterranean, it'll will re-position to Florida, to offer alternating, seven-night Eastern and Western Caribbean voyages.