The Alaskan coast is home to some of the biggest bears in the world. Watch video.

Nadie and her cubs come within feet of ecologist and bear biologist Chris Morgan. Watch video.

A male grizzly sniffs around for an interested and available female. Watch video.

Bears gather by the rivers now packed with salmon traveling upstream to spawn. Watch video.

Ecologist Chris Morgan and filmmaker Joe Pontecorvo answer your questions about Bears of the Last Frontier.

Ecologist and conservationist Chris Morgan discusses all things bear and about his three-part series, Bears of the Last Frontier.

An interactive map documenting Chris and Joe's incredible journey across the Alaskan wilderness.

It’s finally here — time for us to share our incredible Alaskan adventure with the world through Bears of the Last Frontier. It has been quite the journey. The film has been nearly two years in the making, and for both of us it has become an unforgettable part of our lives

The giant grizzlies of Bears of the Last Frontier's "City of Bears."