Trade in your sunscreen and sandals for icebergs and adventures when you head for the untouched beauty of the White Continent. With less crowded ports, unprecedented expeditions, and the natural beauty of icy waters and wildlife, Antarctica is quickly becoming a top cruise destination. Check out the top three luxury liners that will sail you to the South Pole. Silversea Cruises: Silver Cloud With the highest space-to-guest and crew-to-guest ratios in expedition cruising, Silver Cloud offers unprecedented comfort to travelers looking to explore Antarctica and beyond. Upon arrival, guests are met by Silversea’s attentive staff and a flute of champagne as they are escorted to their suite by their butler.…