Lincoln Memorial's hidden foundation opens to the public

Lincoln Memorial's hidden foundation opens to the public

Updated at: May 31, 2026 at 11:55 AM

Starting June 25, 2026, visitors can explore a hidden marvel beneath Washington D.C.'s most famous landmark: the Lincoln Memorial Undercroft.

nounJune 25, 2026
nounvisitor
verbexplore
nounWashington D.C.
nounLincoln Memorial

This vast, three-story basement, built in 1914 to support the monument, is finally opening to the public as part of America’s 250th anniversary celebrations.

adjectivevast

Spanning over 43,000 square feet, this "cavernous" space is filled with a grid of impressive concrete columns.

adjectivecavernous
nounconcrete

Visitors will discover unique historical treasures, such as early 20th-century graffiti left by original construction workers and natural stalactites created by water seepage.

adjectivehistorical

Don't miss this rare chance to step beneath the monument and uncover the fascinating history hidden in its foundation, guided by the National Park Service during this milestone year for the nation.

nounNational Park Service
🎉

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Comprehension Questions

When does the Lincoln Memorial Undercroft officially open to the public?

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Correct Choice

June 25, 2026

What interesting historical feature can be found on the columns in the undercroft?

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Correct Choice

Historic graffiti from construction workers

How can visitors secure entry to the undercroft?

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By reserving a timed-entry ticket online

Why was the undercroft initially built in 1914?

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To support the weight of the memorial above

What national event is the opening of the undercroft intended to help commemorate?

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Correct Choice

America’s 250th anniversary

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