In Alaska, the Royal Princess docks in the small city of Ketchikan, where towering evergreens meet mist-shrouded mountains. Two of the ship's crew take part in a show celebrating the traditional skills and daring feats of North America's logging heritage. In Aomori in northern Japan, guests immerse themselves in the ritual of bathing in mountain hot springs.

The Royal Princess drops anchor in Alaska's state capital Juneau, where a family from Preston travel off the beaten track to Auke Bay, a wildlife haven where bald eagles soar above snow-capped peaks and the ocean stirs with the presence of giants. Half a world away in the sun-drenched Mediterranean, shipmates Millie and Jon discover the timeless beauty of Corfu, journeying to an ancient olive mill that's been in the same family for six generations.

The Diamond Princess glides into the port of Busan in South Korea, where Nigel and Caitlin from Oldham are swept up in the spectacle of the Gamcheon Culture Village, a vibrant hillside community with brightly painted houses and maze-like alleys. In Alaska, four guests have their hearts set on witnessing the majestic Mendenhall Glacier, a natural wonder carved over thousands of years, and in the Mediterranean, ship's dancers Jess and Amber charter a small boat to explore caves on the island of Corfu.

A guide to far-flung corners of the world, filmed on board cruise ships. In this first episode, a ship navigates the low-slung bridge that spans Yokohama Harbour, while another voyages to Alaska's glacial ice fields. In the Mediterranean, another ship glides into the Sicilian port of Messina, where guests Claire and Guy scale the smoking craters of majestic Mount Etna.