Человек гризли

2005

Rise of the Warrior Apes

2017

Your Friend, Ranger Doug

2020

National Parks Exploration Series: The Everglades

2011

Big Bend: The Wild Frontier of Texas

2021

For All People, For All Time

1984

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

2013

Missing 411: The U.F.O. Connection

2023

Yellowstone - Das Geheimnis der Wölfe

2018

Parks and People: Dope

1970

Becoming Acadia

2015

Smoky Mountain Park Rangers

2021

Rainforest First: Climate Protection in Central Africa

2022

Adventure Yellowstone - Der Ruf der Wildnis

2013

Le Temps des vautours

2022

El Silencio del Impenetrable

2021

Gates of the Arctic

2008

Survivor

2009

Wild National Parks

2020

Unbranded

2015