
Billion-dollar cruise ships, secret submarines, high-tech ocean dredgers, floating state-of-the-art hospitals -- all are part of the cutting-edge vessels featured in this series, which reveals everything from the mechanics of modern sea-going to the human drama seafarers face.

Le Boreal is built to take on the demanding waters of the Southern Ocean.

The Norwegian Epic is a billion-dollar showboat with more than 20 bars and restaurants and pool decks that transform into nightclubs.

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

MSC's biggest cruise ship navigates tight Mediterranean harbors, offering a brand-new water park, classic excursions and Cirque du Soleil at Sea.