Whilst there is speculation about what is underneath the White House since the East Wing was demolished, the facts that are known are these:

AuthorTony Dunnell

October 1, 2025

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The White House is one of the most famous and instantly recognizable buildings in the world. Even if you’ve never actually taken the public tour of the East Wing and the Residence, you’re likely still familiar with much of the building through news broadcasts, documentaries, movies, and TV series — although the latter two are normally shot on soundstages in Hollywood. 

But beneath the pristine North Lawn and the Ionic columns of America’s most famous residence lies a world that few will ever see. Under the White House, hidden from the general public, is a surprising amount of infrastructure providing an eclectic array of services, from secret tunnels to high-tech command centers and even a florist. 

Presidential Emergency Operations Center

The most famous feature hidden beneath the White House is the Presidential Emergency Operations Center (PEOC). It was originally constructed as a relatively simple bunker during World War II to protect President Franklin D. Roosevelt in the event of an aerial attack on Washington, D.C. The bunker was later used during the 9/11 attacks, when a number of key personnel were evacuated from their offices in the White House to the PEOC. Afterward, extensive renovations turned the PEOC — located under the East Wing and accessible via a secret elevator — into a far more sophisticated control center. While we don’t know the extent of what’s down there, we do know that there are televisions, phones, and all the necessary communications facilities for managing emergency situations. 

https://historyfacts.com/us-history/article/whats-hidden-beneath-the-white-house/