Begin with a captivating stay in Buenos Aires before flying to Ushuaia to board your 10-night ultra-luxury Antarctic expedition cruise. Cross the Drake Passage into the pristine wilderness, where Zodiac excursions and shore landings offer the chance to spot fluking whales, stroll among playful penguins, and explore breathtaking glaciers. After this once-in-a-lifetime adventure, continue your journey to the spectacular Iguazú Falls, where you'll stay just a short stroll away from this breathtaking natural wonder. Then soak up the glamour and energy of Rio de Janeiro, rounding out an incredible South American journey.