The Louvre Museum in Paris, France. The world's largest art museum and historic monument.

So one of the first things I want to do when I visit Paris is visit the Louvre Museum. The Louvre Museum (Musée du Louvre) is the world's largest art museum and a historic monument in Paris, France, housed in the Louvre Palace, a former royal residence; it's famous for iconic masterpieces like the Mona Lisa and Venus de Milo, showcasing nearly 10,000 years of art from ancient civilizations to the 19th century, attracting millions of visitors annually.