For decades, mysterious tiles have appeared in dozens of cities across North and South America, touting a strange -- and strangely consistent -- message. But what are the Toynbee Tiles? What is their purpose and who made them?

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For decades, mysterious tiles have appeared in dozens of cities across North and South America, touting a strange -- and strangely consistent -- message. But what are the Toynbee Tiles? What is their purpose and who made them? Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

From UFOs to psychic powers and government cover-ups, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know ... an audio podcast from iHeartRadio.

From UFOs to psychic powers and government cover-ups, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know ... an audio podcast from iHeartRadio.

Stuff They Don't Want You To Know

From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know ... an audio podcast from iHeartRadio.

From UFOs to psychic powers and government conspiracies, history is riddled with unexplained events. You can turn back now or learn the Stuff They Don't Want You To Know ... an audio podcast from iHeartRadio.

For decades, mysterious tiles have appeared in dozens of cities across North and South America, touting a strange -- and strangely consistent -- message. But what are the Toynbee Tiles? What is their purpose and who made them?

What the heck is a Toynbee Tile?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/18a4c777-9e3e-4c2d-8b63-ae2f009ff43f/transcript

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