The Alleged Underground Pyramid of Alaska and the Unexplained Anomalies Beneath the Tundra

Published on December 26, 2025 at 12:57 PM

For more than three decades, claims of a large underground pyramid beneath Alaska’s interior have circulated among researchers, locals, and independent investigators. The story gained traction in the 1990s, when ground-penetrating radar scans and satellite data reportedly revealed symmetrical subsurface formations inconsistent with natural geology.

According to multiple accounts, the structure is said to be located near remote mountainous regions, far from modern infrastructure, and buried beneath layers of ice and rock. Descriptions consistently emphasize its geometric precision, depth, and scale, features that have fueled speculation about its origin and purpose.

While no formal archaeological excavation has been publicly confirmed, the persistence of the reports raises important questions. Why do similar claims appear across different sources and decades, and why has the site never been conclusively investigated or debunked? Whether the formation is an undiscovered ancient structure, a misunderstood geological anomaly, or something else entirely, the underground pyramid of Alaska remains an unresolved case at the intersection of folklore, geophysics, and suppressed history. Read More