The Nikola Tesla Theory that History Books Try to Hide... | Matt LaCroix

What happened in this episode?

Matt LaCroix discusses his recent travel and research in eastern Turkey, focusing on Lake Van and nearby megalithic sites he argues have been misdated or misattributed. He describes Lake Van as a deep alkaline “soda lake” whose conditions can preserve submerged features, and recounts how Turkish underwater photographer Tahsin Seylan reported finding extensive stone ruins in 2017 at roughly 75 feet depth. LaCroix claims the structures are megalithic and comparable in workmanship to above-water masonry around the lake, while noting that no formal sampling or expert-led survey has yet been conducted.

LaCroix says he plans a return expedition in late June/early July with Seylan and geologist Robert Schoch, aiming to document the site and, if permitted, take samples. He also advances a dating argument: he says a major eruption of the Nemrut volcano near Lake Van, dated by researchers to around the end of the Younger Dryas, blocked the lake’s former outlet river and raised water levels—potentially submerging any shoreline constructions that existed beforehand.

In a broader critique, LaCroix contends that the Urartian civilisation may have built later “castle” layers while claiming older stone foundations through cuneiform inscriptions, drawing parallels to later dynasties in Egypt. The episode closes with speculative discussion of recurring ancient motifs (including “flower of life” geometry) and LaCroix’s view that Nikola Tesla’s “3-6-9” ideas echo knowledge held by a lost, pre-Ice Age civilisation.

What are the key points?

• LaCroix says underwater ruins in Lake Van were discovered by photographer Tahsin Seylan in 2017, at about 75 feet depth.
• He claims no expert team has yet surveyed or sampled the submerged structures, and says his team hopes to do so in late June/early July, subject to permits.
• LaCroix argues the Nemrut volcano’s last major eruption blocked Lake Van’s outlet river, potentially explaining major lake-level rise and providing a minimum-age constraint for any submerged ruins.
• He alleges Urartian-period cuneiform inscriptions may reflect later claims of ownership rather than proof the Urartians built the underlying megalithic masonry.
• He points to motifs and geometry (including the “flower of life”) and links them to Tesla’s “3-6-9” ideas as part of a wider lost-civilisation thesis.

Who is speaking?

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• Matt LaCroix

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Programme

Julian Dorey Daily

Published

23 September 2026

Duration

1h 0m

Original episode

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