Recent radar studies have revealed a vast underground complex beneath the Giza Pyramids, challenging long-held beliefs about these ancient structures. Using advanced Synthetic Aperture Radar (SAR) tomography, scientists have discovered a network of structures that could rewrite our understanding of ancient Egyptian civilization.
The Underground Discovery
Archaeological teams led by Corrado Malanga of the University of Pisa and Filippo Biondi of the University of Strathclyde have found evidence of impressive structures beneath the Khafre Pyramid. Their 2022 study, released on March 15, details:
- A subterranean system spanning two kilometers beneath all three major pyramids
- Six massive cylindrical structures descending 648 meters underground
- Two massive cube-shaped chambers, each measuring 80 meters per side
To put this in perspective, these underground structures extend deeper than the height of the Freedom Tower (World Trade Center), which stands at 541 meters.
“These massive cylinders beneath the Khafre Pyramid in Giza were not naturally made,” the research team stated in their report. They plan to hold a press conference next week to explain their findings in greater detail.
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Challenging Traditional Views
For centuries, historians believed pyramids were built solely as tombs for pharaohs and the elite. This new discovery, along with recent findings from Sudanese pyramids at Tombos, suggests a more complex purpose.
Dr. Sara Schrader from Leiden University analyzed skeletons found in pyramid tombs at Tombos. Her team noticed these bones belonged to individuals of varying social backgrounds, including laborers. The analysis indicates that pyramid tombs, once thought to be reserved for the elite, may have also included people of lower social status who performed high-labor work.
This finding directly contradicts the long-held view that pyramids were reserved exclusively for the wealthy and powerful.
Energy Hub Theory Gains Traction
The scale and complexity of these underground structures have renewed interest in alternative theories about pyramid functions:
- Inventor Nikola Tesla once proposed that pyramids might collect and harness Earth’s natural energy
- Engineer Christopher Dunn suggested in his book “The Giza Power Plant” that pyramids could convert seismic vibrations into usable energy
While mainstream Egyptologists maintain that the pyramids were built around 2500 BCE using ramps and simple tools, these newly discovered structures—combined with the pyramids’ mathematical precision—have sparked debate about their true purpose.

Next Steps in Research
There is interest in excavating the site, though Egypt’s government has historically been cautious about approving digs that challenge official narratives about the pyramids.
For now, these remarkable findings remain largely unexplored physically, though they continue to generate significant interest across social media and academic circles. As one internet user put it, “The megastructure they just found underneath the Giza Pyramids is probably the most important discovery to ever be made in our lifetimes.”
Frequently Asked Questions
What exactly was discovered beneath the Giza Pyramids? +
Scientists discovered a vast underground network including six massive cylindrical structures descending 648 meters, two massive cube-shaped chambers (each 80 meters per side), and a complex system spanning about two kilometers beneath all three major pyramids. The structures were detected using Synthetic Aperture Radar (SAR) tomography.
Who made this discovery? +
The archaeological team was led by Corrado Malanga of the University of Pisa and Filippo Biondi of the University of Strathclyde. They released the results of their 2022 study in March 2025.
Does this mean the pyramids weren’t tombs? +
While pyramids have traditionally been viewed as royal tombs, these findings suggest they may have had additional purposes. This is further supported by discoveries at Tombos in Sudan, where skeletons of laborers were found in pyramid tombs, challenging the idea that pyramids were exclusively for the elite.
Could the pyramids have been ancient power plants? +
Some theories, including those proposed by Nikola Tesla and engineer Christopher Dunn, suggest the pyramids might have functioned as energy collection systems. The newly discovered underground structures have renewed interest in these theories, though they remain speculative and are not widely accepted by mainstream Egyptologists.
How deep are these underground structures? +
The vertical cylindrical structures descend approximately 648 meters below the surface – deeper than the height of the Freedom Tower (World Trade Center) which stands at 541 meters.
Will there be further excavation of these structures? +
While there is interest in excavating the site, Egypt’s government has historically been cautious about approving digs that challenge official narratives about the pyramids. No official excavation plans have been announced yet.