Experience the wildlife of the Arctic tundra and come face-to-face with the world’s largest land carnivore, the polar bear. In Winnipeg, Manitoba tour the city and visit the Canadian Museum for Human Rights. Continue to Churchill to begin your expedition into polar bear country. Learn from some of the top polar bear experts while watching hese majestic mammals in their natural environment.

From Shanghai, travel to Kaili, Huanggang, Zhaoxing, Tangan, Longsheng, Guilin and Hangzhou during this off-the-beaten-path journey in Southern China. In Guangxi province, marvel at the spectacular karst limestone landscapes that cradle the stunning Li River. Walk the Longji rice terraces sculpted into the mountainside. Experience the beauty and harmony created by the gardens, tea farms and temples of Hangzhou's West Lake. Optional trip extensions available.

Trace the path of the great camel caravans along the Old Silk Road. Admire the vaulted portals of the mosques and madrasahs with their ribbed domes cloaked in sky-blue ceramic tiles. Explore six different UNESCO World Heritage Sites, including the historic Old Towns of the fabled Uzbek oases Samarkand and Bukhara, the archaeological site of ancient Merv, and the Old City of Azerbaijan’s capital, Baku.

Board the National Geographic Sea Bird in Clarkston and cruise the Snake and Columbia Rivers to Portland. See the reconstruction of Lewis & Clark's Fort Clatsop, the Lewis & Clark Wildlife Refuge and Multnomah Falls. Journey through the Columbia River Gorge and the river's elaborate system of locks. Kayak along the waters of the Palouse River.

Marvel at Bangkok's Grand Palace, Temple of the Emerald Buddha and the impressive Reclining Buddha. Experience three nights aboard the opulent Eastern & Oriental Express train as it rolls past the rice paddies of Thailand and Malaysia. Travel along the Kwai Yai River. Explore Singapore's iconic Merlion Park and Civil District. Admire Bali's breathtaking scenery and traditional life.

Discover charming villages, grand castles and the majesty of the Alps on this active walking adventure. From Geneva, travel to Villars sur Ollon for three nights. In Italy visit the Valle d'Aosta, Cogne and the Parco Nazionale del Gran Paradiso. Hike in France's Chamonix Valley. Take a thrilling cable car ride up Mont Blanc for a spectacular panorama.

Explore Cairns. Cruise out to the Great Barrier Reef. Learn about the ancient Walpiri culture. Take a catamaran sail around Sydney Harbor. Fly to New Zealand and explore Mt. Cook National Park. Sail through the breathtaking fjords of Milford Sound. Discover Rotorua and experience the Maori culture at a traditional hangi dinner and performance. Optional extension in Auckland.

Journey through eight countries. Discover old-world capitals and stroll through charming villages along the Danube River. After three nights exploring Prague, embark the MS Amadeus Silver for an eight-night river cruise. Visit Passau, Melk and Dürnstein before sailing through the Wachau Valley toward the Austrian capital of Vienna. Explore Bratislava, Budapest and Belgrade. Disembark for two nights in Sofia.

Join author Mary Roach and astronomer Dr. Steven Beckwith on a 4-night/5-day trip to Oregon for this historic event. Spend one night in Portland, then continue to Salem for three nights. Explore the state's capital, enjoy winery visits and hear lectures and discussions about the magic of our skies. On the morning of August 21, from our private viewing area at Eola Hills Winery, experience the total solar eclipse.

Explore the history, ecology and scenery of five national parks and monuments on the Colorado Plateau. Experience the dramatic cliffs of Zion and the hoodoos of Bryce Canyon. Hike amid multi-hued cliffs, spires, and arches of Cedar Breaks; the Waterpocket fold of Capitol Reef; and slot-canyons in Grand Staircase-Escalante. Former Park Ranger Frank Ackerman leads our trip.