The crossword solution for the term 'Sight on the Champs-Elysees' is ARCH. The Champs-Elysees is a famous avenue in Paris, France, and it is lined with many iconic monuments, including the Arc de Triomphe. This monument is an ARCH that was built in the early 19th century to honor those who fought and died for France during the French Revolution and Napoleonic Wars. It is a popular tourist destination and offers a stunning view of the city.