From polar death marches to the first steps on the Moon, these journeys pushed human endurance and curiosity to their limits. Vote for the expedition you consider the greatest of all time.
What counts: Ranked by a blend of historical impact, difficulty/danger endured, and lasting fame; all dates, durations, and ratings are approximate and open to debate.

Amundsen's South Pole Expedition
Roald Amundsen's ruthless efficiency with skis, dogs, and depots let him plant the Norwegian flag at 90°S on 14 December 1911, beating Scott by five weeks. It remains the gold standard of polar planning, a triumph of logistics over romanticism.
Years: 1910–1912Outcome: Success – first to reach the South PoleDuration: ~2 years overall; final push ~99 daysDifficulty/Danger: 9/10Historical Impact: 9/10
added by IJRAmundsen's South Pole expedition
Scott's Terra Nova Expedition
Robert Falcon Scott reached the South Pole in January 1912 only to find Amundsen's tent already there, and he and his four companions perished on the return march, just 11 miles from a supply depot. Scott's tragic diaries turned failure into one of Britain's most enduring stories
Years: 1910–1913Outcome: Reached pole second; entire polar party died on returnDuration: ~3 yearsDifficulty/Danger: 9/10Historical Impact: 8/10
added by IJR
Shackleton's Imperial Trans-Antarctic Expedition
When Endurance was crushed by pack ice, Ernest Shackleton pivoted from crossing Antarctica to simply keeping his 27 men alive, culminating in an 800-mile open-boat voyage to South Georgia. Every single crew member survived, making it arguably history's greatest survival story rat
Years: 1914–1917Outcome: Ship lost; entire crew survivedDuration: ~2 years strandedDifficulty/Danger: 10/10Historical Impact: 9/10
added by IJR

Commissioned by Jefferson after the Louisiana Purchase, Meriwether Lewis and William Clark led the Corps of Discovery across uncharted North America to the Pacific, aided crucially by Sacagawea. Their maps, journals, and diplomacy with Native nations reshaped America's understand
Years: 1804–1806Outcome: Success – reached the Pacific and returnedDuration: ~2.5 yearsDifficulty/Danger: 7/10Historical Impact: 9/10
added by IJRLewis and Clark Expedition
Magellan's Circumnavigation
Ferdinand Magellan set out to find a western route to the Spice Islands and was killed in the Philippines, but his surviving crew under Juan Sebastián Elcano completed the first circumnavigation of the globe. Only 18 of the original 270 men made it home, proving the Earth's true
Years: 1519–1522Outcome: First circumnavigation; Magellan died en routeDuration: ~3 yearsDifficulty/Danger: 9/10Historical Impact: 10/10
added by IJRin 2 rankings
Columbus's First Voyage
Sailing west to reach Asia, Christopher Columbus instead stumbled onto the Caribbean in October 1492, permanently linking the Old World and New. Whatever the moral reckoning of what followed, few single voyages have redirected the course of world history so abruptly.
Years: 1492Outcome: Reached the Americas instead of AsiaDuration: ~10 weeks one-wayDifficulty/Danger: 6/10Historical Impact: 10/10
added by IJRin 2 rankings
Vasco da Gama's Voyage to India
Rounding the Cape of Good Hope, Vasco da Gama opened the first all-sea route from Europe to India in 1498, breaking the Venetian and Arab monopoly on the spice trade. It launched centuries of European maritime empire-building in Asia.
Years: 1497–1499Outcome: First sea route from Europe to IndiaDuration: ~2 yearsDifficulty/Danger: 7/10Historical Impact: 9/10
added by IJR
Captain Cook's First Voyage
Aboard HMS Endeavour, James Cook charted New Zealand's coastline and became the first European to reach the eastern coast of Australia, all while carrying astronomers to observe the transit of Venus. His meticulous cartography reshaped Pacific exploration for a century.
Years: 1768–1771Outcome: Mapped New Zealand and eastern AustraliaDuration: ~3 yearsDifficulty/Danger: 7/10Historical Impact: 9/10
added by IJR
Apollo 11 Moon Landing
Neil Armstrong's 'one small step' on 20 July 1969 turned a Cold War space race into humanity's most watched moment, with 600 million people tuning in. It remains the only expedition ever to place humans on another celestial body.
Years: 1969Outcome: First crewed Moon landingDuration: 8 daysDifficulty/Danger: 10/10Historical Impact: 10/10
added by IJRin 2 rankings
Hillary and Norgay's Everest Ascent
On 29 May 1953, Edmund Hillary and Tenzing Norgay became the first confirmed climbers to stand atop Mount Everest, capping decades of British attempts and countless deaths on the mountain. Their partnership became a symbol of what teamwork across cultures could achieve at the roo
Years: 1953Outcome: First confirmed summit of EverestDuration: ~2-month expeditionDifficulty/Danger: 9/10Historical Impact: 9/10
added by IJR
Amundsen's Northwest Passage
Before his polar fame, Roald Amundsen spent three patient years threading the tiny sloop Gjøa through the Arctic maze, becoming the first to navigate the Northwest Passage in full. He also learned Inuit survival techniques that would later save his South Pole team.
Years: 1903–1906Outcome: First complete transit of the Northwest PassageDuration: ~3 yearsDifficulty/Danger: 8/10Historical Impact: 7/10
added by IJR

Sir John Franklin sailed with two ships and 129 men to complete the Northwest Passage and vanished entirely, sparking dozens of search missions over decades. The wrecks of Erebus and Terror were only found in 2014 and 2016, and the mystery of what killed everyone still haunts pol
Years: 1845–1848 (disappeared)Outcome: Disaster – entire crew of 129 lostDuration: ~3 years before vanishingDifficulty/Danger: 10/10Historical Impact: 7/10
added by IJRFranklin's lost expedition
Marco Polo's Travels
The Venetian merchant's overland journey along the Silk Road to Kublai Khan's court, and 17 years of service in China, produced a travelogue that introduced Europe to a fantastical and largely unbelieved vision of Asia. His account inspired generations of later explorers, includi
Years: 1271–1295Outcome: Reached China and returned to describe itDuration: ~24 yearsDifficulty/Danger: 7/10Historical Impact: 8/10
added by IJR
Zheng He's Treasure Voyages
The Ming admiral commanded fleets of hundreds of ships, dwarfing anything Europe would produce for another century, sailing as far as East Africa and the Arabian Peninsula. Their abrupt cancellation by imperial decree remains one of history's great 'what ifs' about who might have
Years: 1405–1433Outcome: Massive fleets reached Africa and Arabia seven timesDuration: ~28 years across seven voyagesDifficulty/Danger: 6/10Historical Impact: 8/10
added by IJR
Darwin's Voyage of the Beagle
Charles Darwin's five years as a naturalist aboard HMS Beagle, especially his stop in the Galápagos, supplied the observations that eventually became On the Origin of Species. Few expeditions have reshaped human understanding of life itself so profoundly.
Years: 1831–1836Outcome: Data collection leading to the theory of evolutionDuration: ~5 yearsDifficulty/Danger: 5/10Historical Impact: 10/10
added by IJR
Peary's North Pole Expedition
Robert Peary claimed to reach the North Pole on 6 April 1909 with Matthew Henson and four Inuit companions, though his navigation has been disputed ever since. Whether or not he was truly first, the expedition capped a brutal, decades-long American obsession with the pole.
Years: 1908–1909Outcome: Claimed first to reach North Pole (disputed)Duration: ~1 yearDifficulty/Danger: 8/10Historical Impact: 6/10
added by IJR

Thor Heyerdahl built a balsa-wood raft and drifted 4,300 miles across the Pacific to Polynesia in 1947, trying to prove ancient South Americans could have settled the islands. The 101-day voyage became a global sensation and an Oscar-winning documentary, even though his migration
Years: 1947Outcome: Proved a raft voyage across the Pacific was feasibleDuration: 101 daysDifficulty/Danger: 6/10Historical Impact: 7/10
added by IJRKon-Tiki expedition
Ranulph Fiennes and Charles Burton became the first people to circle the Earth vertically along its polar axis, using only surface transport, crossing both the Sahara and Antarctica in a single continuous journey. It stands as one of the most audacious feats of modern overland ex
Years: 1979–1982Outcome: First pole-to-pole surface circumnavigationDuration: ~3 yearsDifficulty/Danger: 8/10Historical Impact: 6/10
added by IJRTransglobe Expedition
Free account · your comment posts right after signup