The Arc de Triomphe stands at the end of the Champs-Élysees. It is 51 metres high, 45 metres wide and is the second largest triumphal arch in the world. It was commissioned by Napoleon in 1806 to commemorate his victories. The Arc de Triomphe stands at the end of the Champs-Élysees. It is 51 metres high, 45 metres wide and is the second largest triumphal arch in the world. It was commissioned by Napoleon in 1806 to commemorate his victories.