The Central Intelligence Agency has a secret 11,000-square-foot museum inside its headquarters. Unfortunately, only agency members and guests the agency has cleared can step inside.

Central Intelligence Agency Director John Ratcliffe arrives before President Donald Trump addresses a joint session of Congress at the Capitol in Washington, Tuesday, March 4, 2025. (Win McNamee ...

Tim Weiner likens the Central Intelligence Agency to a fortified medieval city, where locked castles contain vast libraries. “If you had the keys,” he writes, “a billion secrets were at your ...