The Great Kobuk Sand Dunes encompass 25 squares miles in Alaska’s Kobuk Valley National Park. With a new NASA grant, ...

No roads, phone service, Internet, or campsites. That's how it is in Alaska's most remote national parks, and Kobuk Valley is no exception. The upside? No crowds, unless you count the half-million ...

Half a million caribou migrate through this park, crossing the Kobuk River and Onion Portage, according to the National Park ...

North Cascades has more than 400 miles of trails. Clear, cool days are common in September in Kobuk Valley National Park. - Eileen Devinney/NPS There are no roads, campgrounds or entrance gates ...

Half a million caribou migrate through this park, crossing the Kobuk River and Onion Portage, according to the National Park Service. An 8,000-year tradition of hunting caribou here continues on.