the last 12 miles to the very bottom of the world. A series of charter flights will take you from Punta Arenas, Chile, to 89° 45' S, where you'll strap on a pair of skis and head south, camping along the way. PolarExplorers: "Centennial South Pole Expedition," 8 days; $52,500.
Best Tours in the Pacific Islands and Oceania from National Geographic Traveler Magazine'
These guided tours are part of National Geographic Traveler's 50 Tours of a Lifetime for 2011 for the outfitters' commitment to authenticity, immersion, sustainability, and connection.