Join National Geographic as we trek between low and high country to experience big game deep in the taiga forest, beautiful subarctic vistas of the tundra, and the challenge of ascending to the top of North America.

A rare scientific odyssey down the Grand Canyon through some of the most treacherous rapids on the planet. From the river cutting through two-billion-year-old stone to the creatures roaming its back-country, the Grand Canyon still has secrets to tell.

Canyonlands is the little-known jewel of the American National Parks. The stark landscape contains more than 300,000 acres of desert wilderness, towering spires, and spectacular canyons. The rugged terrain is also a history book of time. Its stories stretch from the geologic forces that created this land, to the beginnings of life on earth and from ancient people, to the cowboys and outlaws of the Old West. Venture beyond the tourist hotspots to discover...

Special features.