discover steep, rugged canyons, painted rock minarets, desert vistas framed by blooming wildflowers, soaring raptors and singing canyon wrens on the wildest remaining rivers. join this amazing journey composed of quiet floating as well as exciting whitewater rapids. search for birds including both the zone-tailed and gray hawk, elegant trogon, elf and whiskered screech owls, and eight species of hummingbird. enjoy dazzling flower displays, and observe an astounding concentration of nesting raptors. drink in spectacular canyon vistas. watch elk, deer, bighorn sheep-and ranchers at work-in this rugged habitat. enjoy the relaxed pace of a free-flowing river with few rapids, stunning scenery, interesting geology and rich natural history. search for grizzly bear, wolf, awe-inspiring herds of migrating caribou, and arctic birds in full breeding plumage that travel thousands of miles to nest here. through the foothills and across the coastal plain. cruise the wild islands and coastlines. from humboldt penguins to hundreds of macaws and parrots gathering daily at the worlds largest-known clay lick in the amazon, you will encounter a plethora of bird species each day. witness seabirds, walrus, sea otter, arctic fox and bear-and ceremoniously cross the arctic circle. impressive landscapes-from pristine coves and beaches to expansive tundra and soaring mountains-serve as photogenic backdrops to this remarkable adventure