I Found Ancient Petroglyphs Possibly Linking Vastly Distant Cultures In Peru!
Pointed in the direction of ancient petroglyphs in Peru, I made my way to seek them out. The accounts of locals and the glyphs themselves were both impressive and intriguing. Join me on the latest adventure!
Leonardo da Vinci’s Lost Tunnels Unearthed Beneath Milan’s Sforza Castle
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Looking for Leonardo Part 3
In a remarkable blend of history, engineering, and modern archaeology, a series ofsecret underground passageshave been discovered beneath Milan’sSforza Castle(Castello Sforzesco)—and they may have been designed by none other thanLeonardo da Vinci.
This groundbreaking find, made possible through the study ofcenturies-old sketches attributed to the Renaissance genius, reveals a hidden layer of Milan’s past, offering fresh insight into the city’s strategic architecture during the 15th century.
A Renaissance Mastermind Behind Milan’s Defenses?
For centuries, Milan’s Castello Sforzesco has stood as asymbol of power, resilience, and artistic grandeur. Originally built as a medieval fortress, it was later transformed by the Sforza dynasty into acenter for military strategy and artistic patronage. During his time in Milan, Leonardo da Vinci—who was employed at the Sforza court—was tasked with fortification projects, applying hisbrilliant mind to the defense of the city.
His sketches, preserved in historical archives, long hinted at the existence ofhidden passageways and underground structuresbeneath the castle. Until now, however, they had remaineda tantalizing mystery.
The Discovery: Archaeology Meets Innovation
A team ofarchaeologists, engineers, and historiansrecently set out to verify the accuracy of da Vinci’s drawings recorded in the Codex Forster I.
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Usingground-penetrating radarandadvanced scanning technology, they were able to locate what appeared to besealed tunnels and hidden roomsbeneath the castle’s foundation.
The team—made up of experts fromPolytechnic University of Milan, Codevintec, and Sforza Castel employed a ground-penetrating radar and laser scanning that mapped multiple feet under the castle. With the help ofvirtual reality, researchers are able to recreate the spaces.
“The goal is to create a digital twin of the Sforza Castle, a digital model that not only represents the current appearances of the castle but also allows you to explore the past, recovering historical elements that are no longer visible,” Franco Guzzetti, professor of geomatics at Polytechnic University of Milan, said in a statement.
Upon excavation, the team uncovereda network of subterranean corridors, likely constructed to allow fordiscreet movement of troops, emergency escapes, and secret supply routes—a military strategy well ahead of its time. The craftsmanship of the tunnels, along with theircalculated angles and air circulation features, aligns with Leonardo’svisionary approach to engineering.
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View the video by Codevintec (in Italian)
Milan’s Living History: What This Means for the City
This discoveryredefineswhat we know about Milan’sarchitectural and military ingenuityduring the Renaissance. It also highlights Leonardo da Vinci’simpact beyond his well-known artistic masterpieces. His involvement in civil and military engineering projects demonstrates how deeply intertwined art, science, and strategy were in Renaissance Milan.
Moreover, the find raises the possibility thatother hidden passageways or secret chambersmay still lie beneath Milan’s historic landmarks, waiting to be revealed.
With ongoing archaeological efforts, this newly uncovered underground world may soon becomeaccessible to the public, further enriching the city’scultural tourism and historical narrative.
Milan: A City That Never Stops Revealing Its Secrets
For travelers and history lovers, this is another reminder thatMilan is far more than fashion and finance—it is a city where thepast continually interacts with the present. Walking through Castello Sforzesco, visitors may soon be able to descend into theselong-lost tunnels, stepping into the very spaces where Renaissance-era Milanese soldiers once navigated in secrecy.
As research continues, one can only wonder:What other Renaissance secrets might Milan still be hiding beneath its streets?