Decoding the Unknown

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This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

This episode has no summary.

She lived to 122—or did she? Jeanne Calment stunned the world with her age, but new evidence suggests a shocking identity switch with her daughter. Is history’s oldest woman a fraud?

Is Adam’s Calendar the oldest manmade structure on Earth—or a pile of stones hyped up by ancient alien fans? We dig into South Africa’s strangest mystery to find out what’s real.