Seabourn Cruises has revealed its first “Pole to Pole” Grand Expedition—an epic 94-day journey on Seabourn Venture from the Arctic to Antarctica. Launching August 2027, it spans 14 countries and over 20,000 nautical miles. Guests will enjoy rare wildlife sightings, expert-led excursions, and luxury touches like Zodiac tours, Polar Plunges, and submarine dives. Shorter 82-day options and exclusive perks—including $10,000 shipboard credit—are also available for early bookers.