When Dan Brown’s The Da Vinci Code sparked a frenzy of code‑cracking, many of us started hunting for the ten mysterious messages that might be lurking in the brushstrokes of Renaissance masters. From celestial oddities to covert anatomical diagrams, the era’s greatest works have inspired endless speculation. Below we break down the top ten candidates, giving you all the juicy details you need to decide which secrets hold water and which drift into myth.
Ten Mysterious Messages Unveiled
10 UFO and Madonna
The 15th‑century altarpiece Madonna with Saint Giovannino, painted by Domenico Ghirlandaio and displayed in Florence’s Palazzo Vecchio, shows the Virgin cradling the infant Christ alongside a youthful Saint John. Over the years, a hazy oval near the Madonna’s head has been championed by UFO enthusiasts as evidence of an extraterrestrial craft, earning the work the nickname “Madonna dell’UFO.”
This indistinct circle glows with a bright, beam‑like aura, prompting observers to imagine a saucer‑shaped object. Two figures—a man and a dog—appear to gaze upward at the luminous form, and some theorists argue that the Madonna is deliberately shielding the children while her halo seems to be dimmed by the alien presence.
Conversely, art historians suggest the shape could simply be Ghirlandaio’s rendition of an angelic being or a brilliant star, motifs that were common in religious paintings of the period. In other words, the “UFO” might just be a conventional celestial symbol rather than a spacecraft.
9 The Gimel in the Chapel
Some scholars contend that the figures of David and Goliath on Michelangelo’s famed Sistine Chapel ceiling subtly outline the Hebrew letter gimel, a symbol of “g’vurah” or strength in Kabbalistic tradition. This hidden glyph is said to embed a mystical layer within the biblical narrative.
The ceiling, according to certain interpretations, serves as a coded proclamation of the Pope’s divinely ordained mission, with Michelangelo acting as the secretive scribe. Proponents argue that the artwork creates a bridge between Roman Catholicism and Judaism, embedding Hebrew letters and other Jewish symbols throughout the frescoes.
Authors of The Sistine Secrets: Unlocking the Codes in Michelangelo’s Defiant Masterpiece identified several shapes they believe correspond to Hebrew characters, noting that the chapel’s dimensions mirror those of the ancient Holy Temple in Jerusalem. While intriguing, these theories remain contested among scholars.
8 The Brain in Creation of Adam
Neurosurgeon‑turned‑art‑analyst Frank Lynn Meshberger proposed that Michelangelo’s iconic Creation of Adam doubles as a depiction of a human brain. In this reading, God’s outstretched right arm reaches toward Adam not just spiritually, but directly toward the prefrontal cortex—the brain region governing creativity.
The crimson drapery surrounding God mirrors the sagittal view of a brain, leading Meshberger to suggest that the fresco celebrates the gift of intellect. Further research by two Johns Hopkins neurosurgeons uncovered a precise rendering of the spinal cord and brain stem in Michelangelo’s Separation of Light from Darkness, implying a deliberate anatomical showcase.
These findings hint that Michelangelo may have embedded a sophisticated neuro‑anatomical diagram within his divine scenes, perhaps as a personal signature or a subtle nod to his deep anatomical studies.
7 Music in The Garden of Earthly Delights
Hieronymus Bosch’s surreal triptych The Garden of Earthly Delights, painted around 1500 and now housed in Madrid, is famed for its bizarre, fantastical imagery. Among its many oddities, the rightmost panel—depicting Hell—contains a peculiar detail: a musical score etched onto the posterior of a tormented figure.
The hidden notation appears to be a choral chant with risqué lyrics, and scholars argue it serves as a moral warning about the perils of sin. Music and instruments recur throughout the triptych, reinforcing the notion that the concealed score is a symbolic admonition.
6 The Bread in The Last Supper
Leonardo da Vinci’s mural The Last Supper, created between 1495 and 1498, captures the moment after Jesus announces that one of his disciples will betray him. The composition is rich with symbolic elements, most notably the loaves of bread laid out on the table.
These breads are widely interpreted as references to the Eucharist—the central Christian rite in which bread represents the body of Christ. Additionally, the placement of the bread aligns with Judas Iscariot’s gesture toward a nearby plate, underscoring his impending betrayal and the associated purse of reward he clutches.
5 The Sistine Fig
In the panel illustrating the “Temptation” and the expulsion of Adam and Eve from Eden within the Sistine Chapel, Michelangelo chose to hang figs on the Tree of Knowledge rather than the more conventional apple. This artistic decision diverged from the prevailing 16th‑century Italian belief that the forbidden fruit was an apple, as dictated by the Vulgate translation of the Bible.
By opting for figs, Michelangelo aligned his depiction with a more Judaic interpretation, where figs symbolize knowledge, enlightenment, and fertility across ancient Greek, Roman, and Near Eastern cultures.
Figs reappear later in Michelangelo’s work on the “Last Judgment,” where a nude figure shields his genitals with a fig leaf, reinforcing the motif’s thematic resonance.
4 Mary in The Last Supper
One of the most persistent conspiracy theories surrounding Leonardo’s The Last Supper concerns the figure seated to Jesus’s right. While traditionally identified as the youthful apostle John, some argue that the figure is actually Mary Magdalene—a claim popularized by Dan Brown’s novel The Da Vinci Code.
Advocates of this theory suggest that Mary Magdalene was not only a disciple but also Jesus’s wife, and that Leonardo deliberately encoded this relationship in the painting. They point to the figure’s long hair, delicate hands, and overall feminine aura as evidence of a purposeful substitution.
However, most art historians reject this reading, asserting that the figure conforms to contemporary depictions of John and that the supposed “feminine” traits are stylistic rather than symbolic.
3 Salvator Mundi
Leonardo’s Salvator Mundi portrays Christ holding a crystal orb in his left hand, symbolizing his dominion over the world. Yet the orb’s visual properties have baffled scholars for centuries: it does not refract or invert the background as a solid glass sphere would.
Biographer Walter Isaacson posits that Leonardo deliberately rendered the orb inaccurately, perhaps to suggest it is hollow. Art historian Martin Kemp adds that certain types of rock crystal and calcite possess minute cavities that could explain the observed anomaly.
A research team from the University of California, Irvine, created a digital 3‑D replica of the painting and simulated light transmission through various orb materials. Their analysis concluded that the orb is likely very thin‑walled and possibly hollow, aligning with Leonardo’s meticulous observation of optical physics.
2 The Mona Lisa
Some experts claim that Leonardo concealed a secret code within the pupils of the enigmatic Mona Lisa. According to these scholars, minute letters and numbers are etched into the irises—“L” and “V” in the left eye, and “C” and “E” (or perhaps “B”) in the right.
Another interpretation suggests that the letters add up to the number “2” when summed as a Roman numeral (LV = 55, CE = ?; the theorists argue the total yields a hidden numeric message). Proponents believe the cipher could reveal the sitter’s identity or a concealed message.
Critics, however, contend that these markings are merely the result of paint aging and natural variations, not an intentional secret code.
1 Virgin of the Rocks
Leonardo’s Madonna on the Rocks, commonly known as the “Virgin of the Rocks,” places its holy figures within a stark cavern. The rocky enclosure juxtaposes the harsh, temporary nature of the physical world against the serene, otherworldly presence of the Virgin, infant Christ, and John the Baptist.
The cavern also functions as a metaphor for hidden knowledge. Leonardo’s masterful use of chiaroscuro creates deep shadows that suggest mystery, while the composition hints that the figures guard esoteric wisdom, echoing the tradition of wilderness as a setting for spiritual testing and purification.