Mighty Ships

Luxury liner Crystal Serenity offers the ultimate in high-class service, but on this cruise it faces the ultimate in high-seas challenges.

It's a battle between a Mighty Ship and Mother Nature when Neptune tries to assemble turbines on an offshore wind farm.

Pounding waves, angry currents, and failed equipment may bring this rock-dropping vessel's mission to a stone-cold stop.

Dive into a deep-sea mission as the USNS Grasp sets out to find one of the most important shipwrecks in American history.

Bundle up and hit the frigid Bering Sea as mega trawler Northern Eagle embarks on her biggest fishing trip of the year.

USS New York was built to honor the victims of 9/11 and now must prove she's as tough and resilient as her namesake.