Claims that researchers discovered previously unknown structures beneath the Pyramid of Khafre — the pyramid situated in the center of the Great Pyramids of Giza — using radar technology circulated online in March 2025.

Researchers claim they’ve discovered the legendary Halls of Amenti in a “vast city” beneath Egypt’s Pyramids of Giza — a wild theory that has perplexed the archeological world. Italian and Scottish scientists studying the pyramid of Khafre say the “groundbreaking study has redefined the boundaries of satellite data analysis and archeological exploration,

The researchers claim to have discovered eight vertical cylinder-shaped structures, referred to as shafts, extending approximately 2,100 feet deep beneath the pyramids.