The Treasury Building in Washington, D.C. is the headquarters of the United States Department of the Treasury.
It was declared a National Historic Landmark in 1971.
The U.S. Treasury building designed by Ammi Burnham Young
Location: 1500 Pennsylvania Ave., NW
Built/Founded: 1836-1842 (East Wing and Central); 1855-1861 (South Wing); 1862-1864 (West Wing); 1867-1869 (North Wing)
Architectural style(s): Robert Mills (East Wing and Central); Ammi B. Young and Alexander H. Bowman (South Wing); Isaiah Rogers (West Wing); Alfred B. Mullett (North Wing)