Egyptians in the Grand Canyon?: The 1909 Discovery

In 1909, an Arizona newspaper reported that an explorer discovered a hidden cave deep inside the Grand Canyon filled with Egyptian-style artifacts, hieroglyphs, and a massive underground complex. The story claimed the Smithsonian was involved… but the discovery was never mentioned again. In this episode, we explore the mysterious report and the theories surrounding one of the strangest archaeological claims in American history. Watch the full episode on YouTube:▶ Support the show + unlock bonus episodes:🎧 200+ bonus audio episodes▶ To learn more about listener data and our privacy practices visit: Learn more about your ad choices. Visit

You can listen to Egyptians in the Grand Canyon?: The 1909 Discovery online on Radio and Podcast. Open the player on this page to stream the available audio.

Egyptians in the Grand Canyon?: The 1909 Discovery is an episode from Theories of the Third Kind by Theories of the Third Kind.

This episode is 46:39 long.

This episode was published on Mar 5, 2026.

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