Six future Carnival Encounter sailings must be adjusted because one port of call has been sold to a new owner.

"The ship's crew participated in search and rescue efforts until the ship was released by the US Coast Guard, which continues the search," Carnival said in a statement.

Although splashy new megaships are helping to entice millions more travelers to take cruise vacations, they aren’t the reason that some long-time cruisers continue to set sail. Carnival passengers ...