How the National Park Service Got Started

Explore the history of how the National Park Service came to be and which presidents helped protect areas like Yosemite and Yellowstone.

4:04m watch

Related Videos

U.S. Government and Politics

Turning Over the White House

The White House is meant to reflect its occupant, and when a new president comes to town, things have to be changed very quickly. But what goes into the peaceful transfer of power? And how do workers turn the White House over in the blink of an eye?

U.S. Government and Politics

The Most Elite Unit in the US Military

No mission is too difficult for Delta Force, an elite unit of highly skilled warriors called upon for the most dangerous operations and critical moments.

U.S. Government and Politics

Historic Protest Movements in Every Decade

From women's suffrage to the fight for racial justice, learn about some of the largest protest movements in American history.

U.S. Government and Politics

DARPA's Secret Mind Control Technology

The Defense Advanced Research Projects Agency (DARPA) sets out on an initiative to develop nonsurgical neuro technology.