Breanna Miethe and Oliver Johnson measure and prep anchor lines to prepare to secure their floathouse. New episodes of Port Protection: Alaska air Tuesdays at 9/8c on National Geographic. | Life Below Zero

Gary Muehlberger picks up his good friend Litzi for a fishing trip. Litzi shares her experience of braving the challenges of Port Protection for nearly 40 years, with only one arm. | Life Below Zero

Matt Carlson brings his daughter Shipley to the Port Protection school to experience more of the community. New episodes of Port Protection: Alaska air Tuesdays at 9/8c on National Geographic. | Life Below Zero

Sometimes you don't know what you're capable of until you go for it. Watch #PortProtectionAlaska, Tuesdays at 9/8c on National Geographic. Now streaming on Disney and Hulu. | National Geographic TV

Tim 'Curly' Leach helps his neighbor, Mary Miller cut down some dangerous trees on her property. A new episode of Port Protection: Alaska airs Tuesday at 9/8c on National Geographic. | Life Below Zero