Sarah Marshall speaks to executive producer Mike Gunton about working with the Hollywood star and the bucket list ...

Salmon begin their lives in the relatively quiet waters of upstream rivers. After hatching, they make their way downstream to ...

"The Americas" premieres with two episodes Sunday, Feb. 23 at 7 p.m. ET on NBC, followed by one episode each Sunday at 8 p.m.

Narrated by Tom Hanks and with music by Hans Zimmer, here's a preview/viewing guide to tonight's two-episode premiere of ...

Ambitious 10-part show with Tom Hanks telling untold stories of the natural world from pole to pole. Here's how to watch 'The ...