19th-century adventure adventure-travel adventure-writing adventures adventurous alaska alaska-history alaskan-coastal-rainforest alaskan-culture alaskan-geography alaskan-history alaskan-landscape alaskan-landscapes alaskan-native-culture alaskan-scenery alaskan-wilderness alaskan-wildlife alpine america american-history american-literature american-west animal-encounters animals arctic arctic-circle arctic-climate awe-inspiring backcountry-exploration bears beauty biodiversity breathtaking-views camping camping-experiences character-study climate-change conservation conservationism conservationist discovery eco-tourism ecological-preservation ecology ecosystem ecotourism environment environmental environmental-activism environmental-advocacy environmental-awareness environmental-conservation environmental-ethics environmental-history environmental-literature environmental-philosophy environmental-preservation environmental-protection environmental-stewardship environmental-writing environmentalism environmentalist expedition exploration exploration-literature exploration-memoir exploration-narrative exploration-narratives exploration-of-the-north exploration-of-the-unknown explorers fauna flora flora-and-fauna forests geology glacier glaciers hiking historical historical-accounts history icefields indigenous-culture indigenous-cultures indigenous-peoples inuit-culture john-muir john-muir-trail journal kayaking klondike-gold-rush landscape landscapes life-philosophy memoir mountaineering mountains mountainside muir-glacier national-parks native-american-culture native-americans native-culture native-cultures native-peoples native-tribes natural-beauty natural-history natural-resources natural-wonders naturalism naturalist nature nature-appreciation nature-conservation nature-exploration nature-lover nature-photography nature-preservation nature-writing non-fiction northern-lights observation observations outdoor outdoor-activities outdoor-adventure outdoor-adventures outdoor-education outdoor-enthusiast outdoor-enthusiasts outdoor-exploration outdoor-life outdoor-lifestyle outdoor-literature outdoor-photography outdoor-pursuits outdoor-recreation outdoor-travel outdoor-writing outdoors outdoorsman pacific-northwest personal-narrative photography pioneer plants preservation reflection remote remote-destinations remote-landscapes remote-locations remote-places remote-regions remote-wilderness rivers scenery scenic-beauty science scientific-observation scientific-observations scientific-research sea-kayaking snow-capped-peaks solitude storytelling sustainability sustainable-living travel travel-literature travel-memoir travel-writing travelogue travels-in-alaska traversing true-wilderness untamed wild-landscapes wild-places wilderness wilderness-adventure wilderness-conservation wilderness-experience wilderness-exploration wilderness-preservation wilderness-protection wilderness-travel wildlife wildlife-conservation wildlife-encounters wildlife-habitat wildlife-observation wildlife-photography wildlife-viewing writing yukon