United States Capitol

===Height===
{{Further|Heights of Buildings Act of 1910|List of tallest buildings in Washington, D.C.|The Height of Buildings Act of 1899|}}
Contrary to a popular myth, [[The Height of Buildings Act of 1899|D.C. building height laws]] have never referred to the height of the Capitol building, which rises to {{convert|289|ft|m|0}}.<ref>{{cite web | author=Matthew Gilmore | url=http://www.h-net.org/~dclist/building_height | title=H-DC Discussion Network | publisher=H-net.org | access-date=November 5, 2010}}</ref> Indeed, the Capitol is only the [[List of tallest buildings in Washington, D.C.|fourth-tallest structure in Washington]].