As Cunard celebrates its 175th anniversary with the New York arrival of its flagship, Queen Mary 2, the line has announced the vessel will undergo an extensive 25 day dry dock refurbishment at the Blohm+Voss Shipyard in Hamburg, Germany, from May 27 to June 21, 2016.

After a six year hiatus, Regent Seven Seas Cruises will offer a world cruise in 2017, enabled by the arrival of a new ship, Seven Seas Explorer, in 2016.

The company announced the date in a release this week, citing cooperation and support from partner cruise lines and the Florida Caribbean Cruise Line Association.

Spain welcomed 2.9 million cruise ship passengers between January and May, which is 6 percent more than in the same period last year.

Carnival Cruise Line said it has improved its shore excursion program, adding some excursions exclusive to Carnival and creating a program of free excursions.

Holland America Line has announced that two of its ships will sail seven- to 18-day itineraries in Hawaii and Mexico from fall 2015 through spring 2016.