Explore the lands "down under" from the desert Outback, colorful coral reefs, tropical rainforests and cosmopolitan cities of Australia to the stunning islands, dramatic fiords, and indigenous Maori culture of New Zealand on this comprehensive 20-day journey.

Discover amazing wildlife such as blue-footed boobies, sea lions, iguanas, penguins and more as you explore the remote Galápagos Islands with expert naturalists on a Galápagos cruise aboard the expeditionary-style yacht Isabela II.

Setting sail along the Douro River is an immersion into beauty, culture, and timeless tradition, thousands of years in the making. Venture by riverboat into the Douro Valley, the birthplace of port wine, a land where time slows and every sip carries centuries of devotion. Cruise past terraced vineyards carved into golden hillsides, where wine has been perfected for centuries. Visit historic quintas, taste vintages born of passion, and let the river's gentle bends reveal a landscape recognized as a UNESCO World Heritage treasure.

Combine a weeklong Holland America cruise through glacier-strewn waterways with a visit to the Yukon and Denali National Park, a scenic rail trip, flightseeing, rafting in a bald eagle reserve, a sled dog experience and much more on this most unforgettable Alaskan adventure.