At the Edge of the World
2008
Minnesota: A History of the Land
2005
A Tale of Two Critters
1977
World Beneath the Sea
1976
Ghosts of the Forest
2001
Platypus: World's Strangest Animal
2003
National Geographic: Land of the Tiger
1985
Intelligent Trees
2017
Making An Ancient Forest - Kalkalpen National Park
2015
One Life
2011
Kangaroo Valley
2022
These Birds Were Made for Walking
2020
Pelican Dreams
2014
Touches of the Slovak Paradise
2023
Stelvio: Crossroads of Peace
2014
High Life at Low Temperatures
2017
The View From on High
2024
Alaska's Great Wilderness Denali: The Living Edens
1997
North Cape
1997
Adventures
1968