An A-Z Guide To The Search For Plato's Atlantis

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    Atlantipedia will be wound down in 2023. After nearly twenty years compiling Atlantipedia on my own, and as I am now approaching my 80th birthday, I have decided to cut back on the time I dedicate to developing this website. An orderly conclusion rather than an enforced one is always preferable before the Grim Reaper […]Read More »
  • Joining The Dots

    Joining The Dots

    I have now published my new book, Joining The Dots, which offers a fresh look at the Atlantis mystery. I have addressed the critical questions of when, where and who, using Plato’s own words, tempered with some critical thinking and a modicum of common sense.Read More »

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Thomas Major.


PaestumPoseidonia was the original name for the Roman city of Paestum, situated south of Naples, founded by Greek colonists around 600 BC. It was partly flooded and largely forgotten until a number of well-preserved Greek temples were rediscovered in the 18th century.

Coincidentally, the city was established in a region of southern Italy, described by Plato as being part of Atlantean territory!

Thomas Major (1720-1799), a royal engraver, visited the site in 1767 and described the ruins of Paestum in an illustrated 1768 book, The Ruins of Paestum, otherwise Posidonia, in Magna Graecia [1644].

Poseidonia, is also the name of a village on the Cycladic island of Syros.