Grizzly Man (2005)
Into the Grand Canyon (2019)
Missing 411: The U.F.O. Connection (2022)
Maineland (2017)
Rocky Mountain Grandeur (1937)
Becoming Acadia (2015)
Yellowstone an American Legacy (2008)
Infusion (2010)
Our National Parks: A Seasonal Tour (1989)
Two Trees (2024)
The Forest and The Sea (2024)
Jasper Beach and The Salt Marsh (2023)
Gates of the Arctic (2008)
National Parks Exploration Series: The Black Hills and The Badlands - Gateway to the West (2012)
National Parks Exploration Series: Yellowstone (2011)
Bears In Our National Parks (2008)
Tomatoes (2020)
Wild National Parks (2020)
The Trouble with Wolves (2018)
Yosemite the Magnificent (1941)