Mount Rushmore’s Secret Chamber - HISTORY

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Mount Rushmore’s Secret Chamber

As the Mount Rushmore National Memorial celebrates its 75th anniversary, learn more about a little-known chamber concealed behind the head of Abraham Lincoln.
Mount Rushmore as carving began with conceptual drawing of Borglum's idea for a the never-built entablature inserted. (Credit: NPS, Mount Rushmore National Memorial)

Mount Rushmore as carving began with conceptual drawing of Borglum’s idea for a the never-built entablature inserted. (Credit: NPS, Mount Rushmore National Memorial)

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