The Washington Monument is built to commemorate the first President of the United States, George &183; Washington. It is located in downtown Washington. On the axis of the Capitol Building and Lincoln Memorial, it is a marble obelisk. It is square, 22.4 meters wide at the bottom and 169.045 meters high. It has 50 iron ladders and 70 seconds high-speed elevator at the top. Visitors can look through a small window after climbing the top. Washington, Virginia, Maryland and the Potomac River.