If you’re planning a grand vacation for 2011, you might want to add Oasis of the Seas to your shortlist. It’s the world’s largest cruise ship “features a zip-line, a casino, a mini-golf course, multiple night clubs, several bars and lounges, a karaoke club, comedy club, five swimming pools, volleyball and basketball courts, theme parks and nurseries for children.” Videos after the break. Click here for more pictures.

[Sources 1 | 2 | 3]