This HIDDEN cave Has Government Secrets

13 Apr 2026 · 1 min
0:55

Sam Parr tells how a 1920s mushroom farmer whose business failed rented a cave, installed a vault door, and accidentally started Iron Mountain. Now the $30 billion company stores 80 million square feet of records, including Princess Diana's will and U.S. government secrets, generating over $1 billion in annual free cash flow.

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