Theories

Competing interpretations

Each with its evidence, mainstream view and criticism laid out.

Theory

Younger Dryas Impact and Cataclysm

Debated

The theory that a comet or asteroid impact triggered the Younger Dryas cold period, megafaunal extinction and the collapse of prehistoric cultures.

Theory

The Sphinx Water Erosion Hypothesis

Debated

A theory that weathering patterns on the Great Sphinx suggest it is far older than conventionally dated.

Theory

Lost Ice Age Civilisation

Speculative

The hypothesis that an advanced civilisation existed during the last Ice Age and was lost to catastrophic flooding at the end of the Younger Dryas.

Theory

The Hall of Records at Giza

Speculative

The legend that a hidden chamber beneath the Giza plateau contains records of an ancient lost civilisation.

Theory

Ancient Egyptian Astronomy and the Pyramid Alignments

Well Supported

The study of how the pyramids and temples of Egypt encode astronomical knowledge.

Theory

The Younger Dryas and Human Migration

Well Supported

How the abrupt Younger Dryas climate event affected human populations, migration and the transition to agriculture.

Theory

Noah's Ark and the Durupinar Formation

Disputed

The search for evidence of a great flood vessel, centred on the Durupinar formation near Mount Ararat and geological interpretations of flood narratives.

Theory

Prehistoric High Technology

Speculative

Claims that ancient structures display evidence of advanced machining, precision and technology beyond known historical capability.

Theory

Atlantis

Speculative

The enduring search for Plato's lost island civilisation, interpreted as allegory, memory of a real place, or myth.

Theory

The Enuma Elish and Mesopotamian Creation

Established

The Babylonian creation epic, narrating the rise of Marduk and the ordering of the cosmos from the body of Tiamat.

Theory

Forbidden Archaeology

Disputed

Claims that anomalous artefacts and out-of-place finds have been suppressed or ignored by mainstream archaeology.

Theory

The Osiris Myth and the Afterlife

Established

The central myth of ancient Egyptian religion โ€” the death, dismemberment and resurrection of Osiris.

Theory

Giants in the Ancient World

Disputed

Claims that a race of giants existed in antiquity, based on myth, anomalous skeletons and megalithic construction.

Theory

Flood Myths Across Cultures

Well Supported

The comparative study of deluge narratives spanning Mesopotamia, the Bible, Greek, Hindu and Mesoamerican traditions.

Theory

The Anunnaki as Ancient Visitors

Speculative
Theory

Ancient Astronauts

Speculative
Theory

Were the Pyramids Power Plants?

Speculative
Theory

Yonaguni: Natural Formation or Monument?

Debated
Theory

Bimini Road and the Search for Atlantis

Debated
Theory

The Piri Reis Map and an Ice-Free Antarctica?

Disputed
Theory

Ley Lines and Earth's Hidden Geometry

Speculative
Theory

The Antikythera Mechanism: An Ancient Astronomical Calculator

Well Supported