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The oldest "map of America" is mysteriously accurate & experts still can't explain its precision

Some of the most mysterious ancient artifacts ever discovered raise many questions about our history, but then again, so do some old maps. Picture this: It's 1929, and a German theologian named Gustav Adolf Deissmann is having what he probably thought would be just another ordinary day cataloging old documents in Istanbul's Topkapi Palace, one of the many must-visit spots in Istanbul for spring, from the Bosphorus to the Bazaars.

Instead, he stumbles upon a mysterious piece of gazelle skin parchment that would revolutionize our understanding of medieval cartography - the Piri Reis map. This isn't just another piece of parchment gathering dust in a museum.

The Piri Reis map represents one of history's most intriguing cartographic mysteries, combining information from twenty different maps and charts, including some allegedly drawn by Christopher Columbus.

What makes it truly extraordinary is how it manages to depict the coastlines of South America and Africa with remarkable precision at a time when most European maps looked more like creative doodles than accurate geographical representations.

So, how did a 14th-century Turkish admiral develop such remarkably detailed maps? Let's take a look.

The Discovery Of The Piri Reis Map

German theologians' mundane cataloging leads to extraordinary cartographic discovery

Some unexplained historical mysteries will likely give one the chills, but this raises more questions. When Deissmann walked into that library, he wasn't looking for lost treasures - he was actually there on a Rockefeller Foundation project to preserve ancient manuscripts.

But sometimes, the greatest discoveries happen by accident. The Piri Reis map he found that day was tucked away in a bundle of unremarkable materials, its significance initially unrecognized.

Its creator, Captain Piri ibn Hajji Mohammed Reis, was no ordinary mapmaker - he was an admiral in the Ottoman fleet who had spent years fighting naval battles and exploring the seas before turning his considerable talents to cartography.

His expertise in naval warfare and navigation and access to an impressive collection of source materials from across the world resulted in a map that would challenge everything we thought we knew about medieval maritime knowledge.

The Piri Reis Map also shows the coastline of Antarctica, making some think that he used some sort of ancient technological mapping device.

The Piri Reis Map Contains A Spectacular And Surprisingly Accurate Depiction

Embellishments were at a minimum

When looking at medieval maps, one usually expects to see dragons, sea monsters, and geographical features that look more like artistic interpretations than actual places.

While the Piri Reis map includes its fair share of fascinating creatures (including some rather friendly-looking monsters in South America), the map's incredible accuracy sets it apart.

It reveals most of the world (including places Google Maps has blacked out) in scary detail. Using a sophisticated navigation technique called portolan-style mapping, Piri Reis created a chart with compass roses and navigation lines that sailors could actually use to plot their courses. Think of it as the medieval equivalent of GPS - minus the friendly voice telling you to turn right in 500 feet.

No Single Source Map Used To Created The Piri Reis Map

As with many maps, this was a compilation of others, including one created by Columbus himself

Here's where things get fascinating - Piri Reis didn't just make this map from his own observations. Among his source materials was allegedly a map drawn by Christopher Columbus himself (yes, the guy who discovered the Americas and altered history in the process).

The story goes on to Piri Reis obtaining this precious document when his uncle's forces captured a Spanish sailor who had sailed with Columbus.

This connection helps explain why parts of the Caribbean appear in such surprising detail, though admittedly with some quirks - like Cuba being stretched out in a way that suggests Columbus was still convinced he'd reached Asia.

While latitude and longitude existed since the 2nd century BC, the age of exploration utilized these compass-rose charts for travel since they were easier to use when out of sight of landmarks.

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By Jason Dookeran / The Travel Contributor

Jason is an avid traveler, voracious reader, and articulate writer. His travels have taken him to all corners of the Caribbean, some areas of South America, and most recently, Europe.

(Source: thetravel.com; March 3, 2025; https://tinyurl.com/2d897agt)
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