This Is the Most Important Cruise Detail to Know Before Booking an Expedition Cruise

This Is the Most Important Cruise Detail to Know Before Booking an Expedition Cruise

Polar Class ratings determine how deep into the ice your ship can go, how many landings you’ll make, and how close you'll get to wildlife.A cruise ship passes through the icy waters of Antarctica's Booth Island. Andrew Peacock/Getty ImagesIf you’re a cruise fan, it’s likely that you’ve seen the video circulating online of the United States Coast Guard (USCG) carving out an Antarctic escape route for Scenic Eclipse II, whose path was obstructed b…