Related by context. Frequent words. (Click for all words.) 50 Ernest Shackleton 49 Sir Ernest Shackleton 48 polar explorer 46 Antartica 46 Arctic explorer 45 Amazonian rainforest 45 Antarctica 44 Antarctic 44 Weddell Sea 42 aviator Amelia Earhart 42 Galapagos islands 42 Sir Ranulph Fiennes 41 bushranger 41 Arthur Koestler 41 Roald Amundsen 41 Ferdinand Magellan 41 thylacine 40 Anais Nin 40 Antarctic expedition 40 Antarctic Expedition 40 adventurer 40 Lamentation 40 Ambrose Bierce 39 Canoeist 39 Adventurer 39 Robinson Crusoe 39 polar expedition 39 Namib Desert 39 Sir Ranulph 38 Expedition 38 Cape Farewell 38 expedition 38 Antarctic Peninsula 38 Royal Geographical Society 38 Frank Borman 38 emperor penguin 37 Meriwether Lewis 37 caver 37 Zelda Fitzgerald 37 Galápagos 37 Hadow 37 Robert Peary 36 Antarctic peninsula 36 Burgess Shale 36 Rediscovered 36 Climber 36 Galápagos Islands 36 Everest expedition 36 voyaged 36 mountaineer 36 Dian Fossey 36 Snowball Earth 36 trekker 36 Sandwich Islands 36 Galapagos Islands 35 novelist 35 HMS Beagle 35 Farley Granger 35 Geographic Society 35 Willa Cather 35 Retelling 35 naturalist 35 Beringia 35 Amelia Earhart 35 Thesiger 35 Ruins 35 frontiersman 35 Lucy Maud Montgomery 35 Van Heflin 35 Fantastical 35 Australian outback 35 polar explorers 35 Romantic poet 35 conquer Everest 34 McMurdo Sound 34 Reinhold Messner 34 Shetland Islands 34 glacial retreat 34 Edgar Allan Poe 34 Abominable Snowman 34 bushwalker 34 Voyage 34 unforgiving terrain 34 Bear Grylls 34 expeditions 34 National Geographic Adventure 34 emperor penguins 34 fiords 34 Mark Twain 34 unclimbed 34 Arctic Circle 34 poet 34 Artic 34 Kayaker 34 diarist 34 Polar Regions 34 adventurers 33 Everest climber 33 Sir Edmund 33 aviatrix 33 hydrothermal vent