Experience the vibrant contrasts of South Korea, where ancient traditions blend with modern innovation. Stroll through peaceful hanok villages surrounded by the colors of autumn and explore the dynamic streets of Seoul. Delve into the nation’s rich history with visits to royal palaces, traditional neighborhoods, and the Demilitarized Zone, where the story of North and South Korea unfolds. Journey to Jeju Island, a UNESCO Biosphere Reserve, to admire its volcanic landscapes and coastal beauty. Meet the Haenyeo, the remarkable women free-divers. Enjoy authentic cultural experiences—sip tea with a Buddhist monk, try your hand at Korean cooking, and share tea in a village home.

The romantic Douro River winds through northern Portugal, creating a landscape of sculpted hills and terraced vineyards. Begin your journey exploring the Spanish cities of Madrid and Salamanca. Then embark on a 7-night cruise aboard the Ama Vida from picturesque, medieval Barca d’Alva to Porto, a delightful mosaic of scarlet and gold architecture. Taste locally produced olives, almonds, breads and cheeses, and of course, port–the famous sweet, fortified wine the area is known for. Along the way, you’ll learn about the Alto Douro’s winemaking history, witness beautiful Portuguese tile artwork and explore charming villages . Madrid and Lisbon extensions are available.

Venturing to Antarctica is an expedition like no other–a chance to explore wonderlands of sculpted snow and ice where whales swim, penguins flock and albatross soar. Cruise the Drake Passage one way, and then bypass the Drake on the way back on a 2-hour flight. Travel with a team of experts aboard the National Geographic Explorer, the definitive expedition ship. Venture into channels and coves framed by towering peaks. Watch for whales off the bow; Zodiac cruise around enormous icebergs; and hike or kayak. Plus, get top shots with the help of a National Geographic Photography Expert.

On this relaxed 11-day small group exploration, discover Costa Rica’s staggering biodiversity.  See towering Irazú Volcano and tour the Doka Coffee Estate. In Carrizal, admire the wondrous orchids then travel to the Arenal region for spectacular views of Arenal Volcano. Meet local schoolchildren and visit a remarkable biological reserve.  Take a sky walk high above the rainforest floor and explore Monteverde’s amazingly diverse cloud forest.  Spending three nights at a Guanacaste beachfront resort, take a Tempisque River float safari.  Discover Tortuguero National Park’s ecological wonders with a 4-day/3-night pre-tour option.

Experience the natural beauty and fascinating cultures in Cambodia and Vietnam on this 15-day adventure. Enjoy seven nights aboard the small ship Jayavarman, as you cruise through Tonle Lake and down the storied Mekong River from Siem Reap to Ho Chi Minh City. The cruise is augmented by deluxe hotel stays for an additional five nights. Explore the beautiful ruins of Angkor Thom, Ta Prohm and Angkor Wat, all part of a UNESCO World Heritage site. Visit Phnom Penh, once known as the "Paris of the East," and Ho Chi Minh City, a nexus of history, culture and culinary delights. Observe unique wildlife species and beautiful riverscapes along the Mekong.