North Cascades National Park: A park archeologist explains the significance of North Cascades cultural research, and rewriting our understanding of how native peoples in the Pacific Northwest interacted with the mountain landscape.

Valley Forge NH Park: This audio file contains a speech given by Oneida Sachems to young warriors of the Oneida Indian Nation who were to fight in the American Revolutionary War under George Washington. The impact of the war on the Oneida Nation is discussed too.

Yosemite National Park: Changing appearance throughout the seasons, the black oak is one of the iconic trees of Yosemite Valley, and its acorn is used for food by both animals and people.