Summit Series events always include activities like paintball and kayaking, and the next event, Summit at Sea, will be conducted entirely on shipboard.

FORBES: TED 2.0

All hires attend a four-to-six-week training course in London in which they learn to incorporate Thai, Indian, Swedish and other massage techniques, and they get advice on how to survive the shipboard life.

FORBES: Here's the Rub

Scientists did extensive aerial and shipboard tests earlier this week on the waters near the release point, making sure the sargassum algae was clean.

CNN: STORY HIGHLIGHTS

The push to always keep the show on the road without long delays causes the same problems in investigations of passenger disappearances, shipboard crimes and gastrointestinal illnesses.

CNN: What cruise lines don't want you to know