<P> The Washington Monument is an obelisk on the National Mall in Washington , D.C. , built to commemorate George Washington , once commander - in - chief of the Continental Army and the first President of the United States . Located almost due east of the Reflecting Pool and the Lincoln Memorial , the monument , made of marble , granite , and bluestone gneiss , is both the world 's tallest stone structure and the world 's tallest obelisk , standing 554 feet 7 ⁄ inches ( 169.046 m ) tall according to the National Geodetic Survey ( measured 2013 -- 14 ) or 555 feet 5 ⁄ inches ( 169.294 m ) tall according to the National Park Service ( measured 1884 ) . It is the tallest monumental column in the world if all are measured above their pedestrian entrances . It was the tallest structure in the world from 1884 to 1889 . </P>
<P> The Washington Monument is an obelisk on the National Mall in Washington , D.C. , built to commemorate George Washington , once commander - in - chief of the Continental Army and the first President of the United States . Located almost due east of the Reflecting Pool and the Lincoln Memorial , the monument , made of marble , granite , and bluestone gneiss , is both the world 's tallest stone structure and the world 's tallest obelisk , standing 554 feet 7 ⁄ inches ( 169.046 m ) tall according to the National Geodetic Survey ( measured 2013 -- 14 ) or 555 feet 5 ⁄ inches ( 169.294 m ) tall according to the National Park Service ( measured 1884 ) . It is the tallest monumental column in the world if all are measured above their pedestrian entrances . It was the tallest structure in the world from 1884 to 1889 . </P>
what is the name of the monument in washington dc
what is the name of the monument in washington dc
The Washington Monument
The Washington Monument