The Palais du Louvre is one of the world's largest and most famous art museums, located in Paris, France. Originally built as a fortress in the late 12th century, it was transformed into a royal palace and later became a public museum in 1793. The Louvre houses an extensive collection of art, including masterpieces like the Mona Lisa and the Venus de Milo. The museum's iconic glass pyramid entrance, designed by architect I. M. Pei, was completed in 1989 and serves as a modern contrast to the historic architecture of the palace. The Louvre attracts millions of visitors each year, making it a cultural landmark and a symbol of French heritage.