The Louvre was a royal palace, the rooms and halls are all quite stunning. It was originally built in the 12th century and expanded through the 17 century, so a

The Louvre was a royal palace, the rooms and halls are all quite stunning. It was originally built in the 12th century and expanded through the 17 century, so as historical artifacts go, it's definitely a thing on its own. It is worth visiting even if there were no art at all inside it. YMMV.