Discover some of South America's greatest cities-Rio de Janeiro, Buenos Aires, Lima, and Quito-and some of its most spectacular ruins and scenic areas on this South America tour. You'll overnight in Rio de Janeiro, Iguassu Falls, Buenos Aires, Lima, the Sacred Valley, Machu Picchu, Cusco, Lake Titicaca, Quito, and Guayaquil, along with four nights cruising the Galápagos Islands aboard the Santa Cruz II. Highlights of this South America tour include time at Iguassu Falls on both the Brazilian and Argentine sides. Experience the falls, hear the thundering roar, be amazed at the brilliant rainbows created by the clouds of spray, and stand in awe as you witness these 275 falls spanning nearly two miles! You’ll also be amazed at Machu Picchu, set in a majestic mountainside with ruins dating back to the 15th century. Glimpse the ancient history and culture as you enjoy this stunning and mystical place. Other tour highlights include a visit to the Inca ruins at Ollantaytambo and the Temple of Sacsayhuaman, with stones weighing up to 350 tons. Time in Peru's Lake Titicaca, a lake of floating islands maintained over centuries by the local Indians, gives you a chance to experience the world's highest navigable lake and to learn about local practices. Guided sightseeing in each of the cities features the must-see sites, including Rio’s famous Christ the Redeemer statue, the Recoleta Cemetery in Buenos Aires, Lima’s baroque 11th-century San Francisco Monastery, and Quito’s La Compania Church. But that’s not all…you’ll take a 4-night Galápagos Islands cruise. Explore the islands, snorkel, swim, and enjoy seeing rays, starfish, blue-footed boobies, sea lions, land iguanas, and much more. Learn about conservation efforts for the famous giant tortoises at the Charles Darwin Research Station. All of this-and more-are included on this South America tour designed for the value-minded traveler who wants to experience it all!