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(Click for frequent words.) 78 Antarctica 67 Antarctic 65 Antartic 59 penguin rookery 59 Larsemann Hills 57 antarctic 57 Weddell Sea 57 Prydz Bay 56 Shackleton expedition 55 frozen wastelands 55 polar 54 Vostok Station 54 glaciers 54 icecap 54 Borge Ousland 54 Damien Gildea 54 Mount Vinson Massif 53 Antarctic Peninsula 53 glacier 53 expedition 53 polar plateau 53 Antarctic icecap 52 Lake Untersee 52 McMurdo Base 52 Spitzbergen 52 Antarctic continent 52 Himalayas 52 Changcheng Station 52 icefields 52 Zhongshan Station 52 Ny Alesund 52 Svalbard Islands 51 Adélie penguins 51 Kangerlussuaq 51 coldest driest 51 sub glacial lakes 51 frozen wasteland 51 Hercules Inlet 51 Vinson Massif 51 Akademik Ioffe 51 SANAE IV 50 Arctic Circle 50 explorer Roald Amundsen 50 Ushuaia Tierra del Fuego 50 polar regions 50 Everest Lhotse 50 Glaciers 50 Punta Arenas Chile 50 McMurdo Sound 50 polar icecap 50 Fedor Konyukhov 50 band Nunatak 50 icecaps 50 Chilean Fjords 49 Dakshin Gangotri 49 Pen Hadow 49 Icefield 49 Ross Ice Shelf 49 Carstensz 49 Polar Regions 49 Himalaya 49 expeditions 49 Bouvet Island 49 Transantarctic Mountains 49 Siberia 49 Svalbard archipelago 49 Dronning Maud Land 49 Antarctic expedition 49 polar expeditions 49 Hurtigruten cruise 49 research vessel Polarstern 49 Disko Bay 49 Antarctic peninsula 49 coldest windiest 49 Ousland 49 icefield 49 Kilimanjaro 49 explorer Pen Hadow 48 Arctic 48 fiords 48 Nunatak 48 Longyearbyen Norway 48 Siula Grande 48 Antarctic glacier 48 Gondwanaland 48 North Pole 48 Rongbuk 48 intrepid explorers 48 icy wastelands 48 Antarctic ice 48 Ushuaia Argentina 48 Cape Adare 48 RV Polarstern 48 Greenland 48 Expedition 48 Bellingshausen 48 Barneo 48 Kunlun Station 48 Namib desert 48 subarctic 47 Kiruna Sweden 47 Quelccaya 47 Anvers Island 47 Beardmore Glacier 47 dogsled expedition 47 Hornbein Couloir 47 Aurora Australis 47 Antarctic expeditions 47 Chilean Andes 47 Amery Ice Shelf 47 Artic Circle 47 Arctic Archipelago 47 drifting ice floe 47 Mount Everest 47 polar ice 47 austral summer 47 Magellanic 47 Dry Valleys 47 subglacial lakes 47 Circumnavigation 47 Antarctica EPICA 47 Seamounts 47 expeditioners 47 tropics 47 Alaskan glacier 47 Polar explorer 47 tidewater glacier 47 Crozet Islands 47 polar expedition 47 Khumbu valley 47 Artic Ocean 47 Sermilik Fjord 46 towing icebergs 46 Ocean Research NCAOR 46 Aletsch 46 Queen Maud 46 Syrtis Major 46 Emperor Penguin 46 Khumbu Glacier 46 Namib Desert 46 Annapurna Circuit 46 Svalbard islands 46 Alaskan tundra 46 Antarctic Ice Shelf 46 Fiona Thornewill 46 tidewater glaciers 46 equatorial regions 46 unclimbed 46 penguin rookeries 46 McMurdo Station Antarctica 46 Spitsbergen 46 Rongbuk glacier 46 Mera Peak 46 equatorial 46 ExplorersWeb.com 46 Lonnie Dupre 46 Ice Coring 46 Norwegian polar explorer 46 Michael Studinger 46 Brunt Ice Shelf 46 icy tundra 46 tropical glaciers 46 Apsley Cherry Garrard 46 Arctic Ocean 46 Terre Adelie 46 Cape Royds 46 Icecap 46 Polar explorers 46 Ronne Ice Shelf 46 Artic 46 Gamburtsev 46 Hellas Basin 46 Bellingshausen Sea 46 Perito Moreno glacier 46 glaciologists 45 overland expedition 45 Alex Abramov 45 Oceanus Procellarum 45 Jovian moon 45 Lake Cheko 45 glaciers icebergs 45 Chukotka Peninsula 45 Auyuittuq National 45 equator 45 Gakkel Ridge 45 Mars 45 McMurdo Dry Valleys 45 undersea volcanoes 45 Baruntse 45 Himalayan Mountains 45 Planitia 45 Alaskan glaciers 45 NCAOR 45 southernmost continent 45 polar explorers 45 Everest 45 Dumont d' Urville 45 Dom Mee 45 Routeburn Track 45 Spitsbergen Norway 45 Amazonian rainforest 45 Abisko 45 Hannah McKeand 45 Mount Erebus 45 Galápagos Islands 45 Qaanaaq 45 Chogolisa 45 Kiruna 45 Polar Expedition 45 hauling sledge 45 Machu Pichu 45 glaciology 45 Tunguska meteorite 45 Cerro Torre 45 Trans Antarctic Expedition 45 Vastitas Borealis 45 ° #'N 45 Polynesian Islands 45 unclimbed peaks 45 Greenland Glaciers 45 Aurora Expeditions 45 Ama Dablam 45 Whillans Ice Stream 45 Columbia Icefield 45 taiga 45 Zemlya 45 Coast Guard icebreaker Healy 45 katabatic winds 45 Greenland ice 45 Ellesmere Island 45 Milensky 45 Antarctic penguins 45 Greenland glacier 45 Martian polar 45 Jan Mayen 45 Tour Operators IAATO 45 NASA rovers Spirit 45 Carstensz Pyramid 45 Mongolia Gobi Desert 45 Fjords 45 Pumori 44 arctic tundra 44 Bransfield Strait 44 Chikyu 44 Mawson Hut 44 Kangerlussuaq Greenland 44 Wildest Dream Conquest 44 Qinghai Tibet Plateau 44 Cordillera Blanca 44 Svalbard Norway 44 Xuelong 44 subantarctic 44 icefalls 44 Jupiter moons Europa 44 springtime ozone 44 Tanzania Mount Kilimanjaro 44 alpine glaciers 44 Christian Kuntner 44 Nankai Trough Zone 44 Vatnajokull 44 Polarstern 44 Tibetan Plateau 44 Valery Rozov 44 mountaineering expedition 44 Gentoo penguins 44 Tasiilaq 44 icebergs calving 44 Shishapangma 44 Patagonian Ice 44 Adélie 44 Amin Brakk 44 Alfred Wegener 44 Mondinelli 44 receding glaciers 44 Dimitri Kieffer 44 Tasman Glacier 44 Greenland icecap 44 #ft [001] 44 Dominick Arduin 44 Rosie Stancer 44 Nanda Devi 44 Andes 44 Ontario Lacus 44 Minya Konka 44 Nordic Barents 44 Marquesas Islands 44 Rongbuk Glacier 44 Lake Vostok 44 MOL K2 44 Ruwenzori Mountains 44 Nullarbor Plain 44 Uummannaq 44 Mount Bosavi 44 Kapitan Khlebnikov 44 Incas Machu Picchu 44 Kilauea eruption 44 Khumbu glacier 44 alps 44 Nili Fossae 44 Hadley Rille 44 volcanoes 44 Rothera 44 Glaciologists 44 tundra 44 nephew Josh Hutcherson 44 Mt Everest 44 glacier melt 44 Foton M3 44 Nunavut Territory coal 44 polar oceans 44 Galilean satellites 44 Wildest Dream 44 emperor penguins 44 Admiral Peary 44 icebergs 44 Shackleton crater 44 Jannu 44 Cerro Paranal 44 Qinghai Tibet plateau 44 Permafrost 44 Galapagos islands 44 Rothera Research 43 Piotr Pustelnik 43 Novaya Zemlya 43 subarctic regions 43 vessel SA Agulhas 43 Shisha Pangma 43 volcanic vents 43 telescopic observations 43 Antarctic explorer 43 Vitus Bering 43 lunar craters 43 Big Diomede 43 Cape Farewell 43 aboard HMS Beagle 43 glacier calving 43 Abominable Snowman 43 Shetland Islands Chilean 43 Curiosity rover 43 Chile Atacama 43 Agumbe 43 icebergs drifting 43 Haute Route 43 Palmyra Atoll 43 Siberia Lake Baikal 43 Exoplanet 43 Hardangervidda 43 Sella Pass 43 Manaslu 43 Khoo Swee Chiow 43 Olympus Mons 43 radar altimetry 43 Gleb Sokolov 43 Sognefjord 43 Autosub 43 lunar orbiters 43 Tuamotu Archipelago 43 Matanuska Glacier 43 volcanic islands 43 mountainous Altai 43 Haughton Crater 43 polar explorer 43 Ice Melts 43 Quelccaya Ice Cap 43 Chilean fjords 43 Alpine Ascents Everest 43 latitudes 43 Valles Marineris canyon 43 Mount Foraker 43 Lunar Crater 43 landmasses 43 Endurance crater 43 Everest conqueror 43 Western Cwm 43 trawler sinks 43 icebreaker Kapitan Khlebnikov 43 Carrie Stetko 43 leopard seals 43 Chilean Atacama Desert 43 Cerro Pachon 43 Patagonian Andes 43 Hiva Oa 43 Glacier Explorers 43 Nankai Trough 43 Adventure Peaks 43 Arabia Terra 43 penguins waddling 43 Siberian taiga 43 Hawaii Mauna Kea 43 Gasherbrum II 43 Comet Boethin 43 volcanically active 43 Quelccaya ice cap 43 Mt Elbrus 43 Ozone Hole 43 Thule Greenland 43 Great Barrier reef 43 trekker 43 polar caps 43 Asteroid Belt 43 Svalbard 43 Umberto Nobile 43 Altai Mountains 43 Amundsen Sea 43 majestic fjords 43 Icebergs 43 Punta Tombo 43 Kamchatka 43 Galápagos 43 Ny Ålesund 43 Comox Glacier 43 oceanic islands 43 Cassin Ridge 43 Everest expedition 43 ° #'E 43 paraglide 43 Nimrod expedition 43 Leif Eriksson 43 Surtsey 43 Melas Chasma 43 Kii Peninsula 43 Petermann Glacier 43 Saturnian moon Titan 43 Sisimiut 43 Transiting 43 Clipper Adventurer 43 Nares Strait 43 subglacial lake 43 Okhotsk Sea 43 McMurdo Station 43 summitting 43 glacial retreat 43 glaciologist 43 neutrino telescope 43 melting icebergs 43 Melting Glaciers 43 Coral Reef Adventure 43 Gorak Shep 43 Ammassalik Island 42 Norway Svalbard 42 windiest continent 42 Whaling Ship 42 meter Vinson Massif 42 Dumont d'Urville scientific 42 Martian crater 42 Pacific Gyre 42 yetis 42 ship Aurora Australis 42 Arsia Mons 42 Gangotri Glacier 42 Mount Kosciuszko 42 Doomsday Seed Vault 42 longitudes 42 Hans Kammerlander 42 Himalayan river basins 42 Bering Straight 42 Hirotaka Takeuchi 42 Puijila 42 Melting Arctic 42 Bramley Murton 42 Khumbu Icefall 42 glaciated peaks 42 Provideniya 42 Everest Qomolangma 42 Westfjords 42 Chomolungma 42 tundra buggy 42 Magnetic Pole 42 permanently shadowed craters 42 Emperor penguins 42 Mars Gusev Crater 42 Son Doong 42 Himalaya Mountains 42 greatest insect emergences 42 polar explorer Roald Amundsen 42 Ojos del Salado 42 ice calved 42 Laptev Sea 42 Antarctic Expedition 42 oceans 42 Little Diomede 42 Harry Kikstra 42 penguin colonies 42 Georg Kaser 42 Subglacial 42 Daintree Rainforest 42 massif 42 Karakoram Range 42 Himalayan expeditions 42 Exoplanets 42 Chomo Lonzo 42 Inaccessibility 42 tepui 42 COROT 7b 42 Uhuru Peak 42 ICESat 42 Everest climbers 42 ocean basins 42 permafrost 42 Rovaniemi Finland 42 ancient Inca ruins 42 - ti val 42 Sable Gully 42 French Frigate Shoals 42 ICESCAPE 42 Franz Josef Land 42 explorer Ernest Shackleton 42 boreal regions 42 Brigham Grette 42 Siberian permafrost 42 adventurers 42 Wrangel Island 42 Jakobshavn Isbrae 42 abyssal plain 42 Melting ice 42 Melting 42 Baffin Island 42 barren windswept 42 Tom Smitheringale 42 Terra Meridiani 42 Athabasca Glacier 42 Roald Amundsen 42 Ny Aalesund 42 Harding Icefield 42 Hardanger Fjord 42 Qomolangma 42 hoary marmots 42 spacecraft orbited 42 Jukkasjarvi 42 supervolcanoes 42 solidified lava flows 42 glaciated terrain 42 Drake Passage 42 Laurasia 42 Ernest Shackleton 42 ANDRILL 42 Olduvai 42 Trekking 42 Baltoro 42 EDN III 42 Alexey Maryshev 42 Amazonian jungle 42 moons Phobos 42 humpback minke 42 moon Europa 42 Saharan Desert 42 Rinjani 42 melting glacial 42 Shirase 42 Aqua satellite 42 Subarctic 42 roughest seas 42 Cryosat 42 Melting glaciers 42 icescape 42 Mount Kilimanjaro 42 tallest mountain 42 Sawtooths 42 Kermadec Arc 42 MS Fram 42 mesosphere 42 intrepid traveler 42 smoothest flattest 42 Ilulissat 42 Fiord 42 Patagonia 42 Mt Erebus 42 Pu'u O'o vent 42 Mission Operations NEEMO 42 Gobi deserts 42 Anti whalers 42 remote Afar 42 Karakoram mountains 42 Carlos Pauner 42 comet chaser 42 Eastern Antaloor 42 Dinosaur Discovered 42 summited Shisha Pangma 42 volcano Olympus Mons 42 Siberian Arctic 42 Kala Pattar 42 Cerro Catedral 42 Simone Moro 42 Trans Siberian Railroad 42 Perito Moreno Glacier 42 tectonically active 42 Red Planet 42 cryosphere 42 Beringia 42 Sir Ranulph Fiennes 42 Arctic ice floe 42 Greenland Antarctica 42 Galapagos Islands 42 summited Makalu 42 fjords 42 Greenland semiautonomous Danish 42 jungles deserts 42 Via Australis 42 CoRoT 9b 41 Rangiroa 41 antarctica 41 Remarkable Rocks 41 Mürren 41 penguin colony 41 summiting 41 Mt Kilimanjaro 41 duration spaceflights 41 chinstrap penguins 41 Saturn Cassini 41 Torres del 41 Shipton Spire 41 Russia Kamchatka Peninsula 41 Ellef Ringnes Island 41 intrepid explorer 41 scaling Mount Everest 41 Boesmansgat 41 Siberian tundra 41 arctic 41 polar explorer Sir 41 voyaged 41 Arctic icecap 41 Tien Shan 41 Exit Glacier 41 THEMIS Image 41 Little Diomede Island 41 Mt Lhotse 41 Galapagos Rift 41 arctic explorer 41 Norwegian Roald Amundsen 41 Tundra Buggy 41 Batura II 41 Shiretoko Peninsula 41 midlatitudes 41 Peru Inca Trail 41 Jakobshavn glacier 41 Tsangpo River 41 Pytheas 41 Douglas Mawson 41 dense rainforests 41 TROLL RESEARCH STATION 41 Jungfraujoch 41 Paul Nicklen 41 ill fated expedition 41 planetary Transits 41 Pole 41 Jenolan 41 SOUTH POLE 41 Aoraki Mount Cook 41 Mount Mabu 41 southern supercontinent 41 southern latitudes 41 austral winter 41 Tromsoe Norway 41 Adelie 41 Arctic explorer 41 Ursus maritimus 41 Hayabusa capsule 41 Isidis Planitia 41 Ammassalik 41 ESA Huygens 41 El Teide 41 Stubai 41 Sarah Outen 41 palm fringed shores 41 Tomaz Humar 41 Convection Rotation 41 Makalu 41 Amazonian rainforests 41 ANTARCTICA 41 North Pacific Gyre 41 Lobuche 41 zodiac constellations 41 robotic rovers 41 Antarctic fur seals 41 HD#b 41 Sorcerer II 41 Syun Ichi Akasofu 41 Rupal Face 41 Fimmvorduhals 41 Cayman Trough 41 eight thousanders 41 Svalbard Archipelago 41 Ang Sherpa 41 planet 41 Catlin Arctic 41 polar icecaps 41 chinstrap penguin 41 Mariana Arc 41 Polar Explorers 41 Kilamanjaro 41 Gasherbrum 41 hydrothermal vent 41 Eruc 41 Northrend 41 iceberg calving 41 Hinchinbrook Island 41 Liv Arnesen 41 Film Fes 41 Mt Taranaki 41 calving glaciers 41 Gary Guller 41 Steve Wellmeier executive 41 NASA Orbiting Carbon 41 Martian landscape 41 Kerguelen 41 Glyder Fawr 41 Climber Dies 41 Huascaran 41 HMS Investigator 41 Reinhold Messner 41 rainforest canopy 41 Antarctic seas 41 Rosetta spacecraft 41 Neumayer Station 41 Lyubov Orlova 41 Cryogenian 41 Agulhas Current 41 Presidente Eduardo Frei 41 Deccan Traps 41 MAR ECO 41 Ngauruhoe 41 Sarychev Peak 41 Damaraland 41 Bering Straits 41 Ilulissat Greenland 41 Norphel 41 Quaternary Period 41 lava tubes 41 Charcot Island 41 Halley VI 41 Uluru Ayers Rock 41 Cerro Armazones 41 seamount 41 thawing tundra 41 Duncan Chessell 41 summited Everest 41 drifting icebergs 41 Sakha Republic 41 Mendenhall Glacier 41 Salekhard 41 Pole Aitken 41 Gullfoss 41 Ranulph Fiennes 41 twin moons Phobos 41 Pacific Subtropical Gyre 41 pumice plain 41 #ers [001] 41 Serengeti ecosystem 41 Columbia Icefields 41 Juneau Icefield 41 temperate latitudes 41 Las Leñas 41 Ghunsa village 41 NASA THEMIS 41 Toutatis 41 Vastitas Borealis akin 41 glacial cycles 41 Gusev crater 41 Franz Josef glacier 41 Martian rover 41 Mare Australis 41 Los Glaciares National 41 Jakobshavn Glacier 41 Deccan Plateau 41 Survivorman Les Stroud 41 Upsilon Andromedae b 41 Bering Strait 40 disappearing glaciers 40 volcanic archipelago 40 renowned mountaineer 40 Pacific Ocean 40 Thar Desert 40 midlatitude 40 conquering Everest 40 IFM GEOMAR 40 Verkhoyansk 40 Voyaging 40 Cryogenian period 40 Garibaldi Provincial 40 Mars Orbiter 40 Cape Otway 40 taiga forest 40 pathless 40 penetrating radar 40 climbing Kilimanjaro 40 cratered highlands 40 receding glacier 40 emperor penguin 40 Laila Peak 40 Volcanic eruption 40 Trans Siberian Express 40 summited Cho Oyu 40 volcanoes erupt 40 Kahiltna 40 Gobi Desert 40 Chewang Norphel 40 ancient supercontinent 40 Mount Teide 40 Parque Nacional 40 Mount Kailash 40 lush rainforest 40 Nuptse 40 Nepalese Himalayas 40 Rower rescued 40 Extrasolar 40 equatorial waters 40 Patagonian 40 Space Capsule 40 Great Aletsch Glacier 40 Disko Island 40 deepest freshwater 40 Vatnajökull 40 Tenzing Sherpa 40 mantle lithosphere 40 Kerguelen Plateau 40 lowland plains 40 Namche Bazaar 40 adventurer 40 Noctilucent clouds 40 Sperm Whale 40 Garhwal Himalayas 40 Lapland Finland 40 Deadhorse Alaska 40 Denisova Cave 40 Kunlun Mountains 40 Orion Expedition 40 seismically active zones 40 Karakoram 40 celestial sphere 40 twin Voyager spacecraft 40 Seychelles archipelago 40 Axel Heiberg Island 40 Hellas Planitia 40 Jagged Globe 40 Aksai Chin plateau 40 Antarctica Amundsen 40 Picos de Europa 40 Weddell seals 40 planets Uranus 40 Everest summiteer 40 shrinking glaciers 40 driest continent 40 fiord 40 Tromso Norway 40 Venusian 40 Ningaloo reef 40 abyssal plains 40 Saturn moon Enceladus 40 subglacial 40 Heli Skiing 40 circum 40 Duyfken 40 Corot 7b 40 Martian surface 40 Academician Fyodorov 40 Kaminski Morrow 40 spacecraft Chandrayaan 1 40 Philae 40 temperate rainforests 40 Kon Tiki expedition 40 temperate rainforest 40 tropical rainforest 40 Arctic Shelf 40 Porsild 40 Kari Kobler 40 yeti 40 summiting Mount Everest 40 deglaciation 40 Shackleton Crater 40 Hadow 40 Martian rovers 40 AMASE 40 Himalaya mountains 40 La Soufriere 40 Climber rescued 40 gaseous planet 40 mountain ranges 40 climb Everest 40 Denis Urubko 40 Super Earths 40 thriller Whiteout 40 Huahine 40 subducted beneath 40 Kalimdor 40 Velicogna 40 Endeavour Crater 40 unclimbed peak 40 Cape Alava 40 Khumbu region 40 North Greenland Eemian 40 Mt Kosciuszko 40 Earthlike planet 40 Tarka L' 40 Videsh Heaven 40 Norway Svalbard archipelago 40 golden toad 40 Patagonian glaciers 40 Altai mountains 40 Australian outback 40 glaciers melt 40 Ferdinand Magellan 40 Skagerrak 40 icebreaker Healy 40 oceanic plates 40 Iceberg Alley 40 ExplorersWeb 40 Mt Dhaulagiri 40 Kure Atoll 40 Russ Hopcroft 40 Espenak 40 Saturn moons 40 unspoiled wilderness 40 tallest peak 40 British Antarctic Survey 40 Axel Heiberg 40 Barents sea 40 Bindschadler 40 Mt Qomolangma 40 Marquesas islands 40 Picos de 40 Kamchatka peninsula 40 Earth radii 40 undersea Lomonosov Ridge 40 northern latitudes 40 Archipelagos 40 Polynesian islands 40 Jubany 40 summited Mt 40 Clipper Odyssey 40 Galapagos Archipelago 40 Flinders Ranges 40 Antarctica Vinson Massif 40 Bylot Island 40 Adventurer 40 methane seeps 40 Sotra 40 Adelie penguins 40 Tuamotu Islands 40 Colonize 40 Ice Shelf 40 underwater Lomonosov Ridge 40 moonlike 40 Breashears 40 Utopia Planitia 40 Viking Lander 40 constellation Eridanus 40 jungles 40 Taku Glacier 40 Jupiter moon Io 40 Sharifah Mazlina 40 Comet Lulin 40 Giganotosaurus 40 Andean snowmelt 40 Baltoro Glacier 40 polynya 40 Poisk 40 Tiksi 40 Jakobshavn 40 Perito Moreno 40 Mir submersibles 40 Fridtjof Nansen 40 Conrad Anker 40 Tongariro Crossing 40 Aletsch Glacier 40 dusty outback 40 Bolivian Andes 40 Bungle Bungles 40 Antarctic glaciers 40 Nuptse East 40 mammal extinctions 40 drilling vessel Chikyu 40 Franz Josef Glacier 40 Antarctic Treaty Secretariat 40 Bonneville Crater 40 Plesetsk Cosmodrome 40 flightless birds 40 MacGillivray Freeman 40 Cassini flyby 40 polar explorer Ernest Shackleton 40 driest deserts 40 Climbing Everest 40 trekking expedition 40 Icehotel 40 Alaska Aleutian 40 Cerro Aconcagua 40 glacial ice 40 flood basalts 40 Vredefort 40 himalayan 40 Oslofjord 40 unspoilt wilderness 40 Dog Sledding 40 Lamont Doherty 40 Jock Wishart 40 lunar equator 40 Riksgransen 40 Rockhopper penguins 40 Salar de Uyuni 40 ESA CryoSat