Replay Video We're sorry, there seems to be an issue playing this video. Please refresh the page or try again in a moment. If you continue to have issues, please contact us here. WATCH Loading Video... Alaska the Last Frontier: Birch Tapping with the Kilchers 01:55 Just in time for Fall, the Alaska the Last Frontier family teaches us how to collect delicious tree sap! From: Alaska: The Last Frontier Similar Topics: Related Videos Why Do Leaves Fall? 01:09 Not Your Thanksgiving Turkey 00:59 Nature | Have An Eco-Friendly Holiday 01:08 Nature | The Three Sisters 00:59 Homemade Applesauce 01:37 Thanksgiving Food from the ISS 01:56 Nature | Do Bats and Vampires have a Creepy Connection? 01:06 The Future of Space Travel 00:25 More Videos Nature | Why Do Wolves Howl at the Moon? 01:06 Nature In Focus | Seasons Changing in Alaska 04:55 Winter Dormancy in Nature 01:39 We Recommend Alaska: The Last Frontier Returns for a Landmark 10th Season Alaska: The Last Frontier Is Coming Soon, Here are 3 Things You Need to Know About the New Season Learn How to Make an Alaska: The Last Frontier Martini Just in Time for New Years Can Coach John Calipari Survive the Alaskan Frontier? The Kilchers Put Him to the Test!