Big Bend: The Wild Frontier of Texas

The Lake District: A Wild Year

Yellowstone: The Mystery of the Wolves

Smoky Mountain Park Rangers

Gates of the Arctic

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

National Parks Exploration Series: Yellowstone

Missing 411: The U.F.O. Connection

Grizzly Man

Wild National Parks

El Silencio del Impenetrable

Unbranded

Adventure Yellowstone

El Turbio

A Breath Of Summer

Extreme Alaska: Denali National Park

Saved by the Lioness

The National Parks Project

Mighty Niagara

Monumental Utah