Egypt's Best-Kept Secret: Has a Second Sphinx Been Hidden Under the Sands of Giza for Thousands of Years?

# Egypt's Best-Kept Secret: Has a Second Sphinx Been Hidden Under the Sands of Giza for Thousands of Years?

*Published March 31, 2026 | M5D Podcast Blog*

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## The Announcement That Shook the World

Just days ago, a bombshell claim sent shockwaves through the archaeological world and ignited the internet: a team of Italian researchers believes they have detected the remains of a **second Sphinx** buried beneath the sands of the Giza Plateau in Egypt.

Radar engineer Filippo Biondi appeared on the Matt Beall Limitless podcast to discuss findings that pointed towards the possibility that there "could be a second Sphinx." He said he was "very confident to announce this" and placed his personal confidence rating in the existence of the second Sphinx at "about 80 percent." [Aventuras na História](https://aventurasnahistoria.com.br/noticias/historia-hoje/2a-esfinge-arqueologos-encontram-no-egito-indicios-de-mega-estrutura-de-3-000-anos-soterrada.phtml)

If confirmed, this would be, without question, one of the most extraordinary archaeological discoveries in recorded human history.

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## The Technology Behind the Claim

The Italian research team — composed of Filippo Biondi, Corrado Malanga, and Armando Mei [Aventuras na História](https://aventurasnahistoria.com.br/noticias/historia-hoje/2a-esfinge-arqueologos-encontram-no-egito-indicios-de-mega-estrutura-de-3-000-anos-soterrada.phtml) — didn't use shovels or ground teams. They used cutting-edge satellite radar technology.

The team used radar signals and converted the returns into sound waves, allowing them to build a picture of underground structures. [Aventuras na História](https://aventurasnahistoria.com.br/noticias/historia-hoje/2a-esfinge-arqueologos-encontram-no-egito-indicios-de-mega-estrutura-de-3-000-anos-soterrada.phtml) This is the same class of remote sensing technology used in military and geological applications — now pointed at one of the most studied sites on Earth.

The geometric logic is striking: when researchers traced a line from the center of the Khafre Pyramid to the existing Sphinx, it created a precise geometric path across the plateau. When that alignment was mirrored from the center of the Great Pyramid, it pointed to another location on the opposite side — the exact spot where scans now suggest a second Sphinx may be buried beneath a mound of hardened sand. [OVNI Hoje!](https://www.ovnihoje.com/2026/03/28/possivel-segunda-esfinge-e-detectada-sob-o-planalto-de-gize)

Biondi described this as "precise geometrical correlation — 100 percent of correlation in this symmetry." [OVNI Hoje!](https://www.ovnihoje.com/2026/03/28/possivel-segunda-esfinge-e-detectada-sob-o-planalto-de-gize)

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## More Than a Sphinx: An Underground Megastructure

What makes this story even more extraordinary is that the researchers aren't just claiming a buried statue. They say they've found something far larger beneath it.

Biondi claimed the data points to a massive structure concealed beneath a 108-foot-high mound of hardened sand, which he said is composed of solidified sand rather than natural bedrock. [Jornal Opção](https://www.jornalopcao.com.br/mundo/possivel-segunda-esfinge-sob-as-piramides-de-gize-intriga-pesquisadores-809598/)

Scans of the original Sphinx revealed shafts and chambers beneath the monument that now appear to be mirrored beneath the suspected second site. The data shows not only vertical shafts, but also horizontal tunnels extending from the deepest parts. [Threads](https://www.threads.com/@regisandradeoficial/post/DWXAm_5mOmy/pesquisadores-afirmam-ter-identificado-possiveis-sinais-de-uma-segunda-esfinge)

And it goes even deeper. Biondi and his team also claim to have found a "vast underground city" underneath the Khafre Pyramid, one of the three pyramids at the Giza complex. [Aventuras na História](https://aventurasnahistoria.com.br/noticias/historia-hoje/2a-esfinge-arqueologos-encontram-no-egito-indicios-de-mega-estrutura-de-3-000-anos-soterrada.phtml) In other words: beneath the most studied plateau on Earth, an entire buried civilization may still be waiting.

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## Ancient Egypt Already Left Us a Clue

This idea didn't emerge in a vacuum — and that's what makes it even more compelling.

The Dream Stele, a stone monument erected between the Great Sphinx's front paws by Pharaoh Thutmose IV around 1401 BC, shows what appears to be two sphinx figures rather than one. The research team suggests this imagery may represent an actual second monument rather than pure symbolism. [OVNI Hoje!](https://www.ovnihoje.com/2026/03/28/possivel-segunda-esfinge-e-detectada-sob-o-planalto-de-gize)

The theory of a second Sphinx is not new — Egyptologist Bassam El Shammaa proposed it more than a decade ago, based on Egyptian records and mythology that mention lightning striking the Sphinx, a possibility that could be linked to another monument destroyed or buried later. [Threads](https://www.threads.com/@regisandradeoficial/post/DWXAm_5mOmy/pesquisadores-afirmam-ter-identificado-possiveis-sinais-de-uma-segunda-esfinge)

There's also a sobering historical precedent worth considering: the Sphinx we know today spent centuries buried under desert sand, only to be rediscovered in the modern era. The idea that another monument of equal scale could remain hidden is not science fiction — it's happened before.

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## The Scientific Pushback

Intellectual honesty demands we present the full picture — and the skeptical response is powerful.

There is no confirmed archaeological evidence that a second Sphinx exists beneath the Giza Plateau. No excavation has taken place, no peer-reviewed study has validated the findings, and Egyptian authorities have not approved or announced any such discovery. [Sopa Cultural](https://sopacultural.com/segunda-esfinge-gize-radar-satelital-filippo-biondi/)

Dr. Zahi Hawass, former Minister of Antiquities, rejected the findings as "neither scientifically approved nor validated," stating no confirmed archaeological evidence supports the existence of a second Sphinx. [Rota Verde](https://rotaverde.com.br/o-misterio-do-segundo-guardiao-ciencia-detecta-possivel-gemea-da-esfinge-e-megaestrutura-sob-gize/)

Theoretical physicist Sabine Hossenfelder previously described the team's earlier underground city claims as "bulls**t," arguing the researchers had "randomly identified some structures in their tomography images and ignored others." [Aventuras na História](https://aventurasnahistoria.com.br/noticias/historia-hoje/2a-esfinge-arqueologos-encontram-no-egito-indicios-de-mega-estrutura-de-3-000-anos-soterrada.phtml)

The core methodological issue remains: radar and satellite imaging can detect density anomalies and geometric patterns — but cannot definitively identify what lies underground. The same signal could have multiple natural geological explanations.

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## What Happens Next?

The team has begun drawing up plans for further exploration and has identified several entrances to work on at the site, including shafts that appear to be blocked by rubble. Clearing these blockages could be the key to uncovering what lies beneath — possibly opening the way to a larger underground network. [Threads](https://www.threads.com/@regisandradeoficial/post/DWXAm_5mOmy/pesquisadores-afirmam-ter-identificado-possiveis-sinais-de-uma-segunda-esfinge)

Biondi stressed that on-site investigation with geologists remains essential before reaching definitive conclusions. [OVNI Hoje!](https://www.ovnihoje.com/2026/03/28/possivel-segunda-esfinge-e-detectada-sob-o-planalto-de-gize) The Egyptian authorities must grant formal access before any physical verification can begin.

Until that happens, the second Sphinx remains exactly where it may have always been — buried under 108 feet of hardened sand, and beneath decades of institutional skepticism.

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## The Honest Verdict

Let's be direct: **this is not a confirmed discovery.** It is a compelling, technology-backed hypothesis supported by geometric precision, ancient symbolism, and a growing body of remote sensing data — but one that has not yet survived the crucible of peer review or physical excavation.

What makes this case genuinely significant is the convergence of independent elements: satellite radar pointing to a real subsurface anomaly, 3,000-year-old carvings that appear to show two Sphinxes, and a geometric alignment with 100% reported correlation across the entire Giza Plateau.

That could all turn out to be coincidence, geology, and pattern-seeking. Or it could be the greatest archaeological find of our lifetime.

Egypt has guarded its secrets for millennia. This one may be the deepest of all.

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*Sources: Matt Beall Limitless Podcast (March 26, 2026) | Newsweek | GB News | LADBible | Daily Galaxy | Ground News*

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