Earth’s extremes – from polar regions to remote islands to lush rainforests – are now easily experienced aboard sleek-but-high-tech vessels offering bucket-list itineraries. Here’s everything you need to know about expedition cruising and the newest ships.

Earth’s extremes – from polar regions to remote islands to lush rainforests – are now easily experienced aboard sleek-but-high-tech vessels offering bucket-list itineraries. Here’s everything you need to know about expedition cruising and the newest ships.