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A detective always solves the case, doesn't he?

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The secret to a good mystery is a clever plot twist, isn't it?

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A good mystery should keep the reader guessing until the end, shouldn't it?

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Scientists are usually curious about the world, aren't they?

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Scientists don't accept a theory just because it sounds good, do they?

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Scientists have solved the Bermuda Triangle mystery, haven't they?

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Perfectly engineered, triangular stoned structures built as massive monuments to the dead.

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An area of the Atlantic Ocean in which ships and planes have completely disappeared.

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Huge stones that move from one spot to another by an unknown force.

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A moving display of colored lights in the northern skies.