Science and art enthusiasts will delight in this unique journey to Switzerland, which showcases Albert Einstein, exceptional Swiss museums, and a visit to the Supercollider campus at CERN which houses the world’s most advanced scientific equipment. Experience a behind-the-scenes meeting with scientists who work on a detector on the Large Hadron Collider. Take guided tours of Kunsthaus Art Museum's modern art collection, and in Bern, visit Einsteinhaus, where Einstein lived. Savor delicious Swiss wines and food, including a traditional raclette fondue lunch in the medieval town of Gruyères.

Explore legendary sites in Greece and Turkey aboard the 34-guest yacht, Callisto, with lecturer and award-winning author and historian Andrew O'Shaughnessy who will trace the line from ancient Greece and Rome to America, exploring how the democratic ideals of classical philosophers shaped the American Constitution.

Based in Taormina, experience Sicily’s intriguing cultural heritage, including Agrigento’s remarkable “Valley of the Temples.”  After a Mt. Etna excursion, enjoy lunch at a family-run farm.  Tour Matera’s ancient cave dwellings and Alberobello’s medieval white-washed houses.  Discover Lecce, the “Florence of the South.”  Highlights of a four-night Sorrento stay include evocative Pompeii, a Neapolitan cooking lesson, an Isle of Capri excursion, and a breathtaking Amalfi Coast drive.  Explore Rome independently with an optional 4-day/3-night extension. 

Cruise the five Great Lakes from Milwaukee to Toronto, visiting islands and towns rich in history and natural splendor. Delight in the Victorian character of Mackinac Island; visit Sault Ste. Marie, known to Native Americans as the “Gathering Place”; and witness the thunderous power of Niagara Falls. Optional extensions to Chicago and Toronto.

From Singapore’s vibrant city life to Bangkok’s incredible landmarks and Angkor’s ancient temples, savor the best of Southeast Asia on this 9-night adventure. Visit Singapore's Gardens by the Bay, Thailand’s ancient capital of Ayutthaya. Then explore Cambodia's iconic temples of Angkor, including Angor Wat, Angkor Thom, and Ta Prohm. Learn to prepare savory dishes and enjoy meeting locals during guest lectures.  Extend your time on an optional pre-trip extension to Bali.  

Encounter a mélange of culture, religion, art and architecture. Tour Kyrgyzstan's capital Bishkek and learn about nomadic life in the village of Burana. ExploreRussian-accented Almaty in Kazakhstan. In Uzbekistan discover Khiva, a UNESCO site; watch silk weavers and visit an art studio in Bukhara; experience Samarkand's treasures; and see the world's oldest Quaran in Tashkent.

Travel to the imperial cities of Rabat, Meknes, Fez and Marrakech: View the ancient Roman ruins at Volubilis; wander the alleys of Fez; visit a Berber village; take a sunset camel ride at the edge of the Sahara; and view the spectacular scenery of the High Atlas Mountains.  Discover Marrakech's medina and Djemaa el Fna Square.  Conclude in Casablanca.

Join us for a journey from the azure Aegean to the beautiful Red Sea, exploring the treasures of Greece, Egypt and Jordan aboard the exclusively chartered, 5-star Le Bougainville. Marvel at the Minoan Palace at Knossos on Crete. Visit the brilliant New Alexandria Library, the Great Pyramids of Giza and the rose-red city of Petra and transit the Suez Canal. Optional pre-trip extension in Greece and post-trip to Israel.

Join archaeologist William Saturno in Chiapas and discover the rich cultural traditions and dazzling archeology and architecture of the Maya. Explore the UNESCO world heritage site of Palenque. Marvel at more remote sites such as Yaxchilan and Tonina to see remarkably well-preserved murals. Chiapas is one of the most biologically diverse regions in the world and we venture to the heart of the Lacandón jungle, with scarlet macaws and howler monkeys. Enjoy San Cristobal de la Casas, a stunning colonial city nestled in mountainous central highlands.

Explore Earth's last frontier aboard M.S. L'Austral, one of the finest vessels in Antarctica, featuring private balconies in 95% of the ocean-view staterooms. Experience fantastically shaped icebergs, turquoise glaciers, bustling penguin rookeries and breaching whales. Join an expedition team of world-class naturalists and board sturdy Zodiac craft for excursions. Enjoy two nights in Buenos Aires. Optional extension to Iguazú Falls.