Louvre museum

Arguably the world's most famous art museum,
the Louvre's most popular piece

 is Leonardo da Vinci's "Mona Lisa." It was

 established in 1793, and is one of the

 oldest museums in Europe. Its collections

 spans from the birth of great civilizations

 up to the 19th century. A whopping 5.7

 million tourists visited the museum in

 2002.