San Diego County is the most biologically diverse county in America, according to a new PBS Nature documentary. This is why.

But first, we need you to sign in to PBS using one of the services ... Studies show that immersing yourself in nature can benefit your health, so watch the videos below to connect with and ...

Experience the unforgettable moment when Sir David Attenborough encounters Lonesome George, the last of his kind. In an emotional final meeting, watch as the legendary naturalist comes face-to-face ...

Watch the cubs learn to adapt, hunt, and defy the odds of survival in this vast desert territory. In this captivating tale, lion researcher Dr. Philip Stander follows three orphaned desert lion ...