I remember this day five years ago when my husband and I were traveling in Alaska. We had just finished a sea kayaking trip out to a glacier, and we had been fortunate enough to have a once-in-a-lifetime experience of actually paddling up to land that had been uncovered by the melting glacier and being able to dock and step out. We sat there, drinking hot chocolate, on land no human had ever stepped foot on before us. Boating back, the sun on…