National Parks Exploration Series: Great Smoky Mountains

2011 • Movie

Your Friend, Ranger Doug

2020 • Movie

Rise of the Warrior Apes

2017 • Movie

Grizzly Man

2005 • Movie

National Parks Exploration Series: Acadia - The First National Park East of the Mississippi

2013 • Movie

Yellowstone: The Mystery of the Wolves

2018 • Movie

Big Bend: The Wild Frontier of Texas

2021 • Movie

Parks and People: Dope

1970 • Movie

For All People, For All Time

1984 • Movie

Becoming Acadia

2015 • Movie

Missing 411: The U.F.O. Connection

2023 • Movie

Smoky Mountain Park Rangers

2021 • Movie

National Parks Exploration Series: Yellowstone

2011 • Movie

Wild National Parks

2020 • Movie

Extreme Alaska: Denali National Park

2008 • Movie