As the National Park Service turns 100, renowned filmmaker Ken Burns talks about the presidents and the parks they protected.
Can you go home again? At least on vacation? What is home, anyway? Is it a childhood home, over which we have little control? Or something parents give their children, regardless of where they live?
Whether it's the Roman Empire or Chinese history, the U.S Civil War, the history of scientific discovery or more recent civil rights battles, the new wave of children's historical nonfiction is attracting a younger audience to read more about real events.