From shifting plates to volcanic activity, our mountains, rivers and valleys were shaped by natural forces. Now, teams of geologists spread across North America attempting to uncover the answers to our continent’s lingering geological mysteries.
The desert is more alive than you ever imagined. Human and animals alike endure at the mercy of the elements. From Death Valley to the deserts of Mexico, creatures battle for survival with astounding adaptations.
To get to know grizzlies, you've got to get close. Very close. Expert guides and filmmakers spend an entire season in Alaska to spend see what it takes for a grizzly to survive. It's tough. And when times get tough for a grizzly, anything can happen.
In the upper reaches of this vast continent, survival is a daily battle. From avalanche-dodging grizzlies to head-bashing big horn sheep, from diving bears to cunning coyotes, we witness extremes and wonders of North America's mountains and forests.
A natural history special about the newly established bi-national park between the US and Mexico at the Texas border, featuring the wildlife-- and the people-- crossing the border freely once again.