Well it must be the first time I see Mons featured here (I'm living in the area and moving there soon). The media coverage is probably due to Mons being the european capital of culture this year.
I went to the mundaneum 10~15 years ago (highschool visit), but unfortunatly I didn't pay much attention to it at the time, might be time to visit again.
It seems it's mostly a wall of little drawers that one is probably not allowed to rifle through. And some posters explaining things. Now we have the web it's easy to learn more about this stuff from home, perhaps?
Yes I doubt it's worth it only for the Mudaneum, but you can probably plan a interesting day if you combine with a few other activities: http://www.mons2015.eu/
Less is known of "The Mule" than of any character of comparable signifigance to Galactic history. His real name is unknown; his early life mere conjecture. Even the period of his greatest renown is known to us chiefly through the eyes of his antagonists and, principally, through those of a young bride (Bayta Darell)...
https://twitter.com/Mundaneumasbl/status/453978841820962816
NYTime article on it: http://www.nytimes.com/2008/06/17/science/17mund.html?pagewa...