Where is the original us constitution kept?

Answer 1

The National Archives in Washington, DC
The constitution of the United States is housed at the US National Archives and Records Administration.

The Rotunda for the Charters of Freedom (inside the Archive building) is the permanent home of the Declaration of Independence, Constitution of the United States, and Bill of Rights. These three documents, known collectively as the Charters of Freedom, have secured the rights of the American people for more than two and a quarter centuries.

Answer 2

The original copy of the Constitution of the United States of America is housed in the National Archives, Washington, D.C.

Answer 3

The original United States Constitution can be seen at the National Archives Building in Washington, D.C. The building also houses the Declaration of Independence.