Acadia Always

Into the Grand Canyon

The Trouble with Wolves

Grizzly Man

Rocky Mountain Grandeur

Yellowstone an American Legacy

For All People, For All Time

Bears In Our National Parks

The Sea Stares at Us from Afar

Colorful Colorado

Dartmouth, River Dart and Dartmoor

Gates of the Arctic

Missing 411: The Hunted

National Parks Exploration Series: Great Smoky Mountains

North America's National Parks

Wildlife in the Rockies

National Parks Exploration Series: Yellowstone

National Parks Exploration Series: The Black Hills and The Badlands - Gateway to the West

Extreme Alaska: Denali National Park

National Parks Exploration Series: The Everglades