15 Famous Explorers Who Vanished Without a Trace

Throughout history, explorers have daringly adventured into the great unknown. The range of explorers striking gold and then sadly disappearing into the abyss is startling, to say the least. We’ll look at various explorers who weren’t so lucky in their journeying exploits and seemingly vanished into thin air.

1. Percy Fawcett (1925)

Two people in vintage attire, wearing hats and suspenders, navigate a moss-covered rocky terrain near a stream. They appear to be exploring a forested area.
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Percy Fawcett was last seen in Brazil’s seemingly infinite, ever-mysterious Amazon Rainforest. The mission was centered on finding the mythical lost city of Z. The theories about Fawcett’s disappearance suggest they were killed by indigenous tribes, starved, or ended up succumbing to disease.

2. Amelia Earhart (1937)

A black and white photo shows a woman in a cloche hat and dress christening a propeller plane with a bottle. A man in a suit stands nearby. The plane has a visible radial engine and a sign with "WORLD WIDE" in the background.
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Amelia Earhart is a name you hear thrown around quite a bit for her legendary accomplishments. She was last seen flying over the Pacific Ocean, and her mission was to be the first woman to fly around the world. The theories about what happened to Earhart are that she could’ve crashed into the ocean, been captured, or ended up living in secrecy.

3. Alfred Loewenstein (1928)

View of a sleek private jet on an airport tarmac, with its engines and wings visible. The background shows part of the hangar and a clear sky.
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Alfred Loewenstein was last spotted out over the English Channel. It’s suggested by historians that his mission was related to his business ventures. Unfortunately, he vanished mid-flight, and some suspect that he fell or was even pushed from his private plane under unknown circumstances.

4. Jean-François de Galaup, Comte de Lapérouse (1788)

Three men in 18th-century attire are gathered around a table with a large map and a globe. One man seated gestures to the map, while the other two observe. Another man stands in the background. The room is ornately decorated.
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This emboldened explorer was last seen near the Solomon Islands. Their mission was focused on the French global exploration, and the theories were that there was a shipwreck during a storm, or that they were killed by locals.

5. Henry Hudson (1611)

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Henry Hudson was last spotted out in Hudson Bay in Canada. His mission was dedicated to locating the Northwest Passage. The theories surrounding Hudson’s mysterious appearance are that he was mutinied by his crew and then left to die in the Arctic.

6. Roald Amundsen (1928)

Three explorers stand near a tent in a snowy landscape. A flag is raised above the tent. The scene is black and white, suggesting a historical expedition in a cold environment.
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Roald Amundsen was last spotted in the Arctic Ocean. His mission was to find an Italian airship that had gone missing. The theories about Amundsen’s disappearance though are that his plane crashed into the sea, and his death within the icy waters occurred shortly thereafter.

7. John Cabot (1498)

A vintage map features a sailing ship with tall masts and white sails, sailing near regions labeled "Irlam", "Brasil", and "Vlaenderen". A red and yellow trajectory line extends across the map, illustrating the ship's route.
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John Cabot was last seen out in the North Atlantic Ocean. His mission was to search for a viable route to Asia. He could’ve ended up lost in a storm, attacked, or shipwrecked because his mission ended up being unsuccessful.

8. Lionel Wafer (1690s)

Old map depicting the Isthmus of Darien region, with detailed topography and settlements such as St. Maria and Sambalas. Waterways and coastal areas are labeled, showing early exploration routes. Distinctive script and ornate design elements are present.
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Lionel Wafer was last seen in Central America while leading the exploration of Panama. However, Wafter ended up mysteriously vanishing due to potentially being killed in conflict or even vanishing into a new society altogether.

9. Peter Tessem and Paul Knutsen (1919)

A vast expanse of jagged, blue-tinged ice formations stretches across a glacier beneath a bright blue sky. Snow-capped mountains rise in the background, partially covered by soft, white clouds.
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These explorers were last seen while exploring the Russian Arctic. Their mission was to continue exploring the seemingly infinite, impossibly cold waters of the Arctic Ocean. However, they would end up vanishing. Potentially perishing in the cold, getting lost at sea, or even devastatingly succumbing to starvation.

10. Joshua Slocum (1909)

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Joshua Slocum was last seen while exploring the Caribbean Sea. He was the first man to ever sail solo around the world in its entirety. The theories surrounding Slocum’s disappearance are that his boat was lost in a storm, capsized, or that he was attacked by pirates. A tough way to go out.

11. Ludwig Leichhardt (1848)

Two bearded men in vintage attire are seated next to each other. The man on the left wears a buttoned jacket, while the man on the right wears a suit and holds a cane. The backdrop is simple and textured.
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Ludwig was last seen out in the Australian Outback while attempting to cross Australia from the east to the west. Talk about a bold undertaking, to say the least. The theories are that Ludwig perished from dying of thirst, was attacked, or got lost out in the desert.

12. Miguel de Carvajal (1540s)

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This explorer was last seen while out in the Amazon Rainforest. Their mission was a Spanish expedition to explore the Amazon. The theories encircling what could’ve happened to them was that they were ambushed, or ended up succumbing to disease.

13. Ambrose Bierce (1913)

Black and white portrait of a man from the late 19th to early 20th century. He has wavy hair and a mustache, wearing a suit. He gazes to the side with a serious expression.
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Ambrose Bierce was last seen out in Mexico. Their mission was centered on journeying with the purpose being to observe the Mexican Revolution. The theories about what could’ve happened to Bierce are that they were executed by revolutionaries, or disappeared by their desire to do so.

14. Eudoxus of Cyzicus (circa 120 BCE)

A small sailboat with two masts sails on a calm, blue sea under a clear sky with scattered clouds. In the background, there are distant hills or mountains along the horizon.
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This explorer was last seen in either West Africa or the Indian Ocean. They were attempting to circumnavigate Africa and could’ve ended up lost at sea or outright perishing in an unknown land.

15. Harold Holt (1967)

A vintage black-and-white photo shows a person in scuba gear preparing to dive into the ocean, holding onto a rope. Another person stands on the rocky shore, assisting by holding the rope. Waves crash in the background.
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Harold Holt was last seen out in Cheviot Beach in Australia. His mission was actually unknown but it’s suggested that he could’ve disappeared while swimming, gotten taken in by a submarine, or even ended up faking his own death.

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