What's scarier than three men disappearing without a trace, at the same time, in a lighthouse, on an island, in the middle of the North Atlantic Sea? As we discover, this week on The What If? Podcast: not much. In today's episode we delve deep into the mystery of Eilean Mor, an island off the coast of Scotland that houses.... A lighthouse. And in 1900, three men disappeared from that very lighthouse without a trace. Listen along, and find out how and just maybe why they never came back.

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