Maritime · 1900 The Flannan Isles Lighthouse

A wave came over the top of a 110-foot cliff, bent iron railings flat, and moved a one-ton rock. It took three men with it. No ship in the area logged a storm that night.

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Natural Disaster · 1958 The Lituya Bay Megatsunami

On July 9th, 1958, a wave 1,720 feet high stripped trees from a mountainside in Alaska. It is the tallest wave ever recorded. Two fishing boats rode it out and survived.

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Climate · 536 AD The Year the Sun Went Dark

In 536 AD the sun went dim and stayed dim for eighteen months. Snow fell in August. Crops failed from Ireland to China. No one knew why for over a thousand years.

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Disappearance · 1590 The Lost Colony of Roanoke

In 1590, a supply ship returned to find 115 colonists gone. No bodies, no signs of attack — only one word carved into a post. No explanation has ever held up.

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Impact Event · 1908 The Tunguska Event

Something flattened 800 square miles of Siberian forest in 1908 with the force of 185 nuclear bombs. No crater was ever found. No one knows what it was.

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Ancient · 800 BC Derinkuyu: The City Underground

Eighteen stories beneath the surface of Turkey, a city built for 20,000 people sits in near-perfect condition. No one knows who built it, or why they needed to disappear underground.

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