National Parks: Bear Conservation

National Parks: Charismatic Carnivore

A one-hundred mile stretch of grass located in Southern Florida plays host to all sorts of wildlife, including alligators and American crocodiles.

Discover National Parks: Shaped by Glaciers

Find out how millions of years ago, the land of Montana was shaped by glaciers, eventually becoming the treasure trove of wildlife and pristine beauty we enjoy today.

National Parks: Antietam National Battlefield

Antietam National Battlefield in Maryland is the site of the bloodiest battle that took place during the Civil War.

Alien Encounters: Nick Sagan & Frank Drake Reunite

Author Nick Sagan hasn't seen his godfather, Frank Drake, in over 30 years. We capture their reunion - and find out how Drake became friends with Nick's famous father, Carl Sagan, in this exclusive clip.

National Parks: Black Bears Up Close

Beyond their scenic splendors, America's national parks are game preserves for some of the largest mammals, including the black bear.

Discover National Parks: Shaped by Winter

The Montana landscape goes under radical transformations when old man winter arrives.

Discover National Parks: Going-to-the-Sun Road

Going-to-the-Sun Road in Montana's Glacier National Park has become a major tourist attraction. Find out more about this man-made engineering feat which has been seamlessly woven into the park's natural beauty.

Discover National Parks: Native Footprints

The native American people find beauty and meaning in the natural landmarks in Montana. Find out why Chief Mountain is considered a stronghold of the Blackfeet people.

National Parks: Bear Conservation

The bear conservation program in Denali National Park has helped in identifying bear facts that were not previously known.

National Parks: Yosemite Goes Wild

Move over Yogi. Yosemite National Park has some of the most beautiful animals and the winter forest has become their playground.