Just a few miles off the Thailand coast, the island of Kothau looks like a postcard.

I'd underneath the surface lies something sinister.

In the last 20 years dozens of tourists have died mysteriously on the island.

A dark cloud who's come over the island, death, mystery and danger.

Listen to Death Island every Wednesday on the I Heart Radio app, Apple Podcasts or wherever you get your podcasts.

Now here's a highlight from Coast to Coast AM on I Heart Radio.

And welcome back to Coast to Coast George.

Nori with you was in technology amazing.

We're going live to the United Kingdom.

Andrew Collins is a writer and historian living there.

He is the author of more than a dozen books that challenged the way we perceive the past.

In 2008 Andrew and his colleague Nigel Skinner Simpson discovered a previously unrequited cave complex.

Beneath the pyramids of Giza, which has brought him worldwide acclaim, we'll talk a little bit about that.

In terms of just a few of his books, Gobeckley Tepe, he wrote in 2014, Atlantis and the Caribbean in 2016,

the Cygnus Key in 2018, the Denise of Inorigen's last year.

Andrew, welcome back to the program. Your name always comes up. It's good to have you back.

Well, that's good to hear. Yes, good to be changing George.

We've got some great discoveries about today.

Changing everything that we know about prehistoric monuments and their functions in the past.

And it's coming from my own country of England and relates to probably the most well-known monuments that we've got in that stone hinge.

Because recent new studies have shown that one of the functions of stone hinge could well be to generate sounds.

In other words, there is a possibility that stone hinge is a sonic temple.

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