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Oak Ridge secret city during World War II Manhattan Project
History & Culture 5 min read

This Secret Mountain Town Built for WWII Changed History Forever

How Oak Ridge became America's hidden atomic city. 75,000 workers lived here building the Manhattan Project, most never knowing they were creating the atomic bomb.

By Ashley

Travel Expert

January 17, 2026

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Topics Covered

Oak RidgeWWII HistoryManhattan ProjectTennessee HistorySecret City