20 Explorers Who Vanished Without a Trace
History is filled with daring explorers who set out to uncover the unknown — only to disappear without a single clue left behind.
History is filled with daring explorers who set out to uncover the unknown — only to disappear without a single clue left behind.
Some missing person cases remain unsolved for decades, leaving investigators and families without answers.
Vanishing without a trace, these people left behind only questions and speculation.