20th-century adventure adventure-travel adventure-writing adventures adversity alaska alaskan-culture alaskan-history alaskan-landscape alaskan-landscapes alaskan-wilderness alaskan-wildlife american-literature american-west animals antarctic antarctic-expedition antarctic-exploration antarctic-wildlife antarctica arctic arctic-circle awe-inspiring beauty biodiversity biography blizzards bravery british-antarctic-expedition british-expedition british-expeditions british-explorers camping captain-robert-falcon-scott captain-scott climate climate-change cold cold-weather conservation conservationist courage danger dedication determination discovery ecology ecotourism endurance environment environmental-activism environmental-advocacy environmental-awareness environmental-conservation environmental-ethics environmental-history environmental-preservation environmental-protection environmental-stewardship environmental-writing environmentalism environmentalist ernest-shackleton expedition expeditions exploration exploration-literature exploration-memoir exploration-narratives extreme-cold extreme-conditions extreme-weather flora forests freezing-temperatures frostbite glaciers grit hardship hardships harsh-conditions harsh-environment heroic heroism hiking historical historical-account historical-accounts historical-non-fiction history hypothermia ice indigenous-culture indigenous-cultures indigenous-peoples isolation john-muir kayaking landscape landscapes leadership memoir memoirs mountaineering mountains national-parks native-american-culture native-americans native-culture native-cultures natural-beauty natural-history natural-wonders naturalist nature nature-conservation nature-exploration nature-lover nature-photography nature-writing non-fiction nonfiction northern-lights observations outdoor outdoor-activities outdoor-adventure outdoor-adventures outdoor-enthusiast outdoor-enthusiasts outdoor-exploration outdoor-life outdoor-literature outdoor-photography outdoor-pursuits outdoor-recreation outdoor-writing outdoors pacific-northwest penguin penguin-eggs penguins perseverance personal-narrative polar polar-expedition polar-expeditions polar-exploration polar-regions preservation remote remote-landscapes remote-locations remote-places remote-regions resilience rivers roald-amundsen robert-falcon-scott sacrifice scenery science scientific scientific-discovery scientific-expedition scientific-observation scientific-observations scientific-research scott-expedition scotts-antarctic-expedition scotts-expedition scotts-last-expedition scotts-terra-nova-expedition sledging snow solitude south-pole survival team-dynamics teamwork terra-nova terra-nova-expedition tragedy travel travel-memoir travel-writing travelogue travels-in-alaska true-story wilderness wilderness-conservation wilderness-preservation wilderness-protection wildlife wildlife-conservation wildlife-encounters wildlife-photography writing