The Piri Reis map, pre-ice civilization theories, and lost-world speculation about Antarctica's deep past.

Oliver Tree's recent Antarctic journey has revived viral conspiracy theories about a secret cave and 'lizard people' linked to the hidden realm of Agartha, but extensive geological surveys and satellite mapping confirm no evidence of underground civilizations or anomalous structures exists beneath the ice.
Scientists published a study in Nature Geoscience revealing a massive fan-shaped geological structure beneath East Antarctica's ice sheet, named the East Antarctic Fan-Shaped Basin Province, which reshapes understanding of the ancient supercontinent Gondwana's breakup and the continent's ice sheet behavior.

A podcast episode explores the 'Forbidden Zones of Antarctica' that scientists allegedly avoid, focusing on the 1513 Piri Reis map's depiction of an ice-free Antarctic coastline centuries before official discovery, alongside claims of satellite scans revealing geometric structures and magnetic anomalies under the glacial core.
A report discusses a giant hole opening beneath Antarctica's ice that allegedly reveals traces of a world older than modern civilization, citing fossilized wood and tropical tree remains from millions of years ago as evidence that the continent was once warm and lush, potentially home to ancient civilizations before the Ice Age.

A video discussion claims scientists discovered a pre-human civilization beneath Antarctica's ice sheet, citing deep-ice scans that detected an enormous buried complex with massive architectural formations and engineered structures, which proponents argue challenges traditional views of Earth's early history and suggests an advanced society existed before modern civilizations.
Hancock's bestselling investigation of a lost civilization, including his crustal-displacement theory placing an advanced culture in Antarctica.
Hapgood's expanded case for Earth crust displacement and a formerly temperate Antarctica.
Hapgood's influential (and heavily debated) analysis of the Piri Reis map and the theory of an ice-free Antarctica charted by an ancient civilization.